K&N Filters Discount Codes In April 2026
Rated out of 5 stars
Currently Active Codes & Deals: 96
14 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 14 September 2026
Some exclusions apply.
25 August 2026
Terms & Conditions
- Terms and conditions may apply!
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- code
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- 25 August 2026
Some exclusions apply.
14 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 14 September 2026
Some exclusions apply.
20 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
- code
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- 20 September 2026
Some exclusions apply.
25 August 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
- code
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- 25 August 2026
Some exclusions apply.
24 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 24 August 2026
Some exclusions apply.
05 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 05 August 2026
Some exclusions apply.
06 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 06 September 2026
Some exclusions apply.
17 June 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
- code
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- 17 June 2026
Some exclusions apply.
16 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 16 September 2026
Some exclusions apply.
10 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 10 September 2026
Some exclusions apply.
25 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 25 July 2026
Some exclusions apply.
11 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 11 June 2026
Some exclusions apply.
21 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- 21 September 2026
Some exclusions apply.
17 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 17 June 2026
Some exclusions apply.
08 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 08 November 2026
Some exclusions apply.
17 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 17 June 2026
Some exclusions apply.
23 December 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 23 December 2026
Some exclusions apply.
29 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 29 May 2026
Some exclusions apply.
09 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 09 July 2026
Some exclusions apply.
25 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 25 May 2026
Some exclusions apply.
08 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 08 November 2026
Some exclusions apply.
14 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 14 July 2026
Some exclusions apply.
11 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 11 June 2026
Some exclusions apply.
14 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 14 July 2026
Some exclusions apply.
17 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 17 June 2026
Some exclusions apply.
08 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 08 November 2026
Some exclusions apply.
18 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 18 May 2026
Some exclusions apply.
06 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- code
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- 06 September 2026
Some exclusions apply.
15 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- 15 September 2026
Some exclusions apply.
08 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 08 November 2026
Some exclusions apply.
09 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 09 September 2026
Some exclusions apply.
26 August 2026
Terms & Conditions
- Terms and conditions may apply!
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- code
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- 26 August 2026
Some exclusions apply.
09 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 09 August 2026
Some exclusions apply.
22 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
- code
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- 22 September 2026
Some exclusions apply.
19 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 19 November 2026
Some exclusions apply.
15 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 15 November 2026
Some exclusions apply.
09 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 09 September 2026
Some exclusions apply.
26 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 26 May 2026
Some exclusions apply.
23 December 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 23 December 2026
Some exclusions apply.
28 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- code
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- 28 May 2026
Some exclusions apply.
29 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- code
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- 29 September 2026
Some exclusions apply.
01 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 01 September 2026
Some exclusions apply.
27 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- code
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- 27 May 2026
Some exclusions apply.
14 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 14 July 2026
Some exclusions apply.
09 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 09 September 2026
Some exclusions apply.
14 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 14 August 2026
Some exclusions apply.
07 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 07 August 2026
Some exclusions apply.
15 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- deal
- Statistics:
- 15 July 2026
Some exclusions apply.
15 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 15 August 2026
Some exclusions apply.
23 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 23 May 2026
Some exclusions apply.
05 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 05 May 2026
Some exclusions apply.
13 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 13 May 2026
Some exclusions apply.
16 August 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 16 August 2026
Some exclusions apply.
01 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 01 August 2026
Some exclusions apply.
16 July 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 16 July 2026
Some exclusions apply.
26 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 26 May 2026
Some exclusions apply.
08 July 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 08 July 2026
Some exclusions apply.
17 June 2026
Terms & Conditions
- Terms and conditions may apply!
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- 17 June 2026
Some exclusions apply.
25 July 2026
Terms & Conditions
- Terms and conditions may apply!
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- 25 July 2026
Some exclusions apply.
25 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 25 May 2026
Some exclusions apply.
14 July 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 14 July 2026
Some exclusions apply.
04 July 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 04 July 2026
Some exclusions apply.
12 July 2026
Terms & Conditions
- Terms and conditions may apply!
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- 12 July 2026
Some exclusions apply.
27 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 27 May 2026
Some exclusions apply.
25 November 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 25 November 2026
Some exclusions apply.
22 November 2026
Terms & Conditions
- Terms and conditions may apply!
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- 22 November 2026
Some exclusions apply.
25 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- deal
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- 25 November 2026
Some exclusions apply.
09 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 09 September 2026
Some exclusions apply.
28 November 2026
Terms & Conditions
- Terms and conditions may apply!
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- 28 November 2026
Some exclusions apply.
05 July 2026
Terms & Conditions
- Terms and conditions may apply!
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- 05 July 2026
Some exclusions apply.
21 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 21 May 2026
Some exclusions apply.
23 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 23 May 2026
Some exclusions apply.
08 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 08 May 2026
Some exclusions apply.
17 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 17 May 2026
Some exclusions apply.
20 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 20 May 2026
Some exclusions apply.
10 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 10 September 2026
Some exclusions apply.
26 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 26 May 2026
Some exclusions apply.
02 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 02 July 2026
Some exclusions apply.
24 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 24 May 2026
Some exclusions apply.
11 September 2027
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- deal
- Statistics:
- 11 September 2027
Some exclusions apply.
04 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- deal
- Statistics:
- 04 June 2026
Some exclusions apply.
07 September 2027
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 07 September 2027
Some exclusions apply.
17 December 2027
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 17 December 2027
Some exclusions apply.
23 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 23 May 2026
Some exclusions apply.
10 September 2027
Terms & Conditions
- Terms and conditions may apply!
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- 10 September 2027
Some exclusions apply.
08 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 08 May 2026
Some exclusions apply.
06 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 06 September 2026
Some exclusions apply.
12 September 2027
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 12 September 2027
Some exclusions apply.
04 January 2027
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 04 January 2027
Some exclusions apply.
14 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 14 May 2026
Some exclusions apply.
12 November 2027
Terms & Conditions
- Terms and conditions may apply!
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- 12 November 2027
Some exclusions apply.
14 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 14 September 2026
Some exclusions apply.
12 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 12 May 2026
Some exclusions apply.
11 September 2027
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 11 September 2027
Some exclusions apply.
23 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 23 May 2026
Some exclusions apply.
14 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 14 September 2026
Some exclusions apply.
25 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 25 August 2026
Some exclusions apply.
14 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 14 September 2026
Some exclusions apply.
20 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 20 September 2026
Some exclusions apply.
25 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 25 August 2026
Some exclusions apply.
24 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 24 August 2026
Some exclusions apply.
05 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 05 August 2026
Some exclusions apply.
06 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 06 September 2026
Some exclusions apply.
17 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 17 June 2026
Some exclusions apply.
16 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 16 September 2026
Some exclusions apply.
10 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 10 September 2026
Some exclusions apply.
25 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 25 July 2026
Some exclusions apply.
11 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 11 June 2026
Some exclusions apply.
21 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 21 September 2026
Some exclusions apply.
17 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 17 June 2026
Some exclusions apply.
08 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 08 November 2026
Some exclusions apply.
17 June 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 17 June 2026
Some exclusions apply.
23 December 2026
Terms & Conditions
- Terms and conditions may apply!
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- 23 December 2026
Some exclusions apply.
29 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 29 May 2026
Some exclusions apply.
09 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- Statistics:
- 09 July 2026
Some exclusions apply.
25 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 25 May 2026
Some exclusions apply.
08 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 08 November 2026
Some exclusions apply.
14 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 14 July 2026
Some exclusions apply.
11 June 2026
Terms & Conditions
- Terms and conditions may apply!
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- code
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- 11 June 2026
Some exclusions apply.
14 July 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- Statistics:
- 14 July 2026
Some exclusions apply.
17 June 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 17 June 2026
Some exclusions apply.
08 November 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- Statistics:
- 08 November 2026
Some exclusions apply.
18 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 18 May 2026
Some exclusions apply.
06 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 06 September 2026
Some exclusions apply.
15 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- 15 September 2026
Some exclusions apply.
08 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
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- 08 November 2026
Some exclusions apply.
09 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 09 September 2026
Some exclusions apply.
26 August 2026
Terms & Conditions
- Terms and conditions may apply!
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- 26 August 2026
Some exclusions apply.
09 August 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- Statistics:
- 09 August 2026
Some exclusions apply.
22 September 2026
Terms & Conditions
- Terms and conditions may apply!
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- Type:
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- 22 September 2026
Some exclusions apply.
19 November 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
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- 19 November 2026
Some exclusions apply.
15 November 2026
Terms & Conditions
- Terms and conditions may apply!
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- 15 November 2026
Some exclusions apply.
09 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 09 September 2026
Some exclusions apply.
26 May 2026
Terms & Conditions
- Terms and conditions may apply!
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- 26 May 2026
Some exclusions apply.
23 December 2026
Terms & Conditions
- Terms and conditions may apply!
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- 23 December 2026
Some exclusions apply.
28 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 28 May 2026
Some exclusions apply.
29 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
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- 29 September 2026
Some exclusions apply.
01 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
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- 01 September 2026
Some exclusions apply.
27 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 27 May 2026
Some exclusions apply.
14 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 14 July 2026
Some exclusions apply.
09 September 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 09 September 2026
Some exclusions apply.
14 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 14 August 2026
Some exclusions apply.
07 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- code
- Statistics:
- 07 August 2026
Some exclusions apply.
15 July 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- deal
- Statistics:
- 15 July 2026
Some exclusions apply.
15 August 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- deal
- Statistics:
- 15 August 2026
Some exclusions apply.
23 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- deal
- Statistics:
- 23 May 2026
Some exclusions apply.
05 May 2026
Terms & Conditions
- Terms and conditions may apply!
- Discount:
- Type:
- deal
- Statistics:
- 05 May 2026
Some exclusions apply.
13 May 2026
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16 August 2026
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01 August 2026
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16 July 2026
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26 May 2026
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08 July 2026
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17 June 2026
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25 July 2026
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25 May 2026
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14 July 2026
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04 July 2026
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12 July 2026
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27 May 2026
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25 November 2026
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22 November 2026
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25 November 2026
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09 September 2026
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28 November 2026
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05 July 2026
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21 May 2026
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23 May 2026
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08 May 2026
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17 May 2026
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20 May 2026
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10 September 2026
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26 May 2026
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02 July 2026
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24 May 2026
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11 September 2027
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04 June 2026
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07 September 2027
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17 December 2027
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23 May 2026
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10 September 2027
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08 May 2026
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06 September 2026
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12 September 2027
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04 January 2027
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14 May 2026
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12 November 2027
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14 September 2026
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12 May 2026
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11 September 2027
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23 May 2026
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Popular Offers K&N Filters Discount Codes 23 April 2026
|
Offer |
Description |
Code |
|---|---|---|
| 15% OFF | Save 15% off : by applying this special Special Code THROTTLE15 | THROTTLE15 |
| Deep Discounts & Cashback | As much as 60% off + Extra 20% Off Open-box Items & $15 Cashback | OPENBOX |
| 10% OFF | Acquire 10% off select items : if you use this Unique Promo Code KNPR10 | KNPR10 |
| 10% OFF | Take 10% off : when you redeem this Offer Code THAT_KL | THAT_KL |
| 10% Off | Avail 10% Off w/Coupon | 5LL6MHAX6RN8 |
| 25% Off | Avail 25% Off Filters Purchase | cleanair |
| 5% Off | Get 5% Off with K&N Discount | CLEANAIR5 |
| 20% OFF | Acquire 20% OFF | BOSS |
| Sale | Free k&n Face Covers on Free k&n Face Covers at Knfilters.com with this code at checkout. | FACECOVER |
| 10% OFF | Secure 10% off : using this Offer Code MADRED | MADRED |
| Sitewide | Free Fender Cover on $100 or More Store-wide at Knfilters.com. | freecover |
| Free Gift | Complimentary Gift on $100 or More ((on the whole site)). | FREEFC |
| Sitewide | Free Glove on $200 or More ((across the site)) at Knfilters.com on application of this promo. | FREEGLOVE |
| 10% OFF | Receive 10% off | 4PH8V85Q99E7 |
| Sitewide | Free Hat on $50 or More ((on every item)). Exclusions: Must Add Hat to Cart. | FREEHAT |
| 10% Off | Extra 10% Off Wiper Blades, Oil Filter, Motor Oil, and an Air Filter Cleaning Kit Together at Knfilters.com | FRESHBDL |
| 20% Off | Get 20% Off Air Filters y Cabin Filters at Knfilters.com | save20 |
| $5 Off | Claim $5 savings Cabin Filters at Knfilters.com with our Premium code | save5 |
| 10% Off | Collect 10% Off ((sitewide)) at Knfilters.com w/Special Code | TM18802X0B7M |
| 10% Off | Earn 10% Discount on Your Purchase | SAVEMORE10 |
| 15% Off | Acquire 15% Off K&N Coupon Code | savemore15 |
| 15% Off | Collect an Extra 15% Off Motor Oil when you use this code | MOTOROIL15 |
| 20% Off | Reaching 20% off Motor Oil Bundle at Knfilters.com. | motoroilbdl |
| 15% Off | Take 15% Off k&n Oil Filters & Motor Oil Bundles at Knfilters.com | oilbundle15 |
| 15% Off | Extra 15% Off Intake Kit and an Exhaust System at Knfilters.com with this promotional offer | POWERBDL |
| 10% Off | Extra 10% Off Cleaning Kit (Qualifying Orders: Air Filter and an Air Filter Cleaning Kit Together) at Knfilters.com when you unlock this Special Code. | PROTECTIONBDL |
| 20% Off | Enjoy 20% Off Air Filter Wrap (Qualifying Orders: Air Intake System) at Knfilters.com. | airwrap |
| 25% Off | Secure 25% Off Wiper Blades at Knfilters.com | WIPER25 |
| 20% Off | Save 20% Off Wipers at Knfilters.com | WIPER20 |
| Special Offer | Secure $ : when you unlock our special Offer Code SAVE2OIL | SAVE2OIL |
| $10 Off | Get $10 discount the Cleaning Kit on With Cabin Air Filter and a Cabin Air Filter Cleaning Kit at Knfilters.com when you use this code. | CLEANCABINBDL |
| 15% OFF | Receive 15% off : by applying the Special Offer Coupon BRUCEBANNER23 | BRUCEBANNER23 |
| 20% OFF | Receive 20% Off by with our especial Nest egg Code | G2D7GEEY244F |
| 10% Off | Score 10% Off Any Order | G5BFOMHC1INZ |
| 20% OFF | Get 20% off | FAM20 |
| 20% Off | K&N Promotional Voucher - 20% Off | ENDOFYEAR20 |
| 20% Off | As much as 20% discount $100+ Purchases | FEBDEAL |
| 50% OFF | Save 50% off : The best K&N Filters Discount Voucher is SAVE50 | SAVE50 |
| Free Air Filter Upgrade | Savings: Free Filter Wrap on K&N Air Intake System Purchases | WRAPSX0RK1JZKLO9 |
| $10 Off | Avail $10 savings When Purchasing a Home Air Filter and a k&n Hvac Filter Cleaner (99-6010) (Min Order: 1 Home Air Filter, 1 (99-6010) k&n Hvac Filte…. | HOMEBDL |
| Sitewide | Free k&n Tote Bag (Add Tote Bag) on $100+ ((on all products)) at Knfilters.com w/Special Offer Coupon. | FREETOTE |
| 20% OFF | Receive 20% Off | FILTRATION20 |
| 15% OFF | Achieve 15% off : in your cart using this special Coupon SUPREMEFOCUS | SUPREMEFOCUS |
| $5 Off | Claim $5 reduction k&n Wiper Blades Special at Knfilters.com | SAVE5WB |
| Buy One, Get One Free | BOGO Free Face Covers at K&N | FACECOVERBLD |
| Save Money | Obtain $ : at checkout with our Selected Discount Voucher SAVE5AIR | SAVE5AIR |
| Save Big on Next Buy | Up to 10% savings Your Next Purchase | N10 |
| 15% OFF | Avail big! 15% off | CHOC15 |
| 25% Off | Take K&N products at 25% off or more on amazon.com | Active Deals |
| SALE | Purchase with Assurance - Warranty Coverage Up to 10 Years | Active Deals |
| Free Gift | Take a Gratis Gift on Your Cart Exceeded $75 at K&N Filters ((across the site)) | Active Deals |
| Subscriber List Register: Special Off | Sign up the mailing list to claim special offers & promotions at k&n filters | Active Deals |
| Over $25 | Delivery at no extra cost on orders over $25 at k&n filters | Active Deals |
| $30 Off | Collect up to $30 on Universal Air Filters | Active Deals |
| 20% Off | Reaching 20% discount Air Filter Cleaning Kits | Active Deals |
| 20% Off | Maximum 20% discount Powersports Cold Air Intakes | Active Deals |
| 40% Off | Save Upto 40% discount K&N Filters Products on eBay | Active Deals |
| FROM £0.29 | Accessories available at a promotional price starting at £0.29. | Active Deals |
| Over $75 | Acquire a Promotional Gift on Your Cart value Over $75 at K&N Filters ((on all purchases)) | Active Deals |
| Over $50 | Secure a Promotional Gift on Your Cart value Over $50 at K&N Filters ((on every item)) | Active Deals |
| Sale | Grab Free Filter Wrap on Your Full Purchase Qualifying Cold Air Intake at K&N Filters | Active Deals |
| Over $50 | Enjoy Free Extra on Your Shopping Cart price Exceeding $50 at K&N Filters ((across the site)) | Active Deals |
| NEWSLETTER | K embossed metal sign 89 11837 2£ add to cart add to compare | Active Deals |
| SALE | K&N filters now offer a filter cleaner for the price of £8.39. | Active Deals |
| 10% Off Select Items | Join K&N Filters' Email mailing list and Receive an Instant 10% Off special items Storewide Discount. | Active Deals |
| $50 Off | Score Up to $50 voucher High-Flow Cold Air Intakes | Active Deals |
| $50 Off | $50 discounted Air Intakes | Active Deals |
| 20% Off | Receive 20% Off Air & Cabin Filters | Active Deals |
| FROM £8.39 | Save up to £8.39 on Motorcycles and UTVs. | Active Deals |
| $50 Off | Up to $50 discounted Heavy-duty Cold Air Intakes | Active Deals |
| FREE DELIVERY | shipping included on Order value Exceeding £25 | Active Deals |
| Free Gift | Earn Complimentary Gift on Your Full Purchases Over $50 at K&N Filters ((sitewide)) | Active Deals |
| $25 Off | Take Up to $25 reduction on K&N Filters at Your Favorite Stores (22 Reseller Discount Codes). | Active Deals |
| $50 Discount | $50 discount air intake at k&n filters | Active Deals |
| 25% Off | Enjoy 25% Off Select Products | Active Deals |
| Free Gift | Redeem a Complementary Item on Your Full Purchase Exceeded $50 at K&N Filters ((site-wide)) | Active Deals |
| Sale | Receive Free Filter Wrap on Your Checkout Qualifying Cold Air Intake at K&N Filters | Active Deals |
| 52% Off | Grab Up to 52% on selected items at NAPA Auto Parts! | Active Deals |
| Free Shipping | free delivery on $25+ Orders | Active Deals |
| 25% Off | Receive 25% Off chosen items at K&N Filters | Active Deals |
| Exclusive Access | Experience Uncompromised Vehicle Performance With K&N Filters. Redeem Offer Today. | Active Deals |
| Sale | Grab Free Filter Wrap on Your Order Qualifying Cold Air Intake at K&N Filters | Active Deals |
| Season Special | Experience The Enduring Reliability Of K&N'S World-Class Air Filters. | Active Deals |
| Sale | Knan Filters Free Shipping | Active Deals |
| 10% Off Select Items | Join K&N Filters' Email email list and Redeem an Instant 10% Off premium items Storewide Discount Code. | Active Deals |
| Everyday Discounts | Improve Your Ride'S Performance With K&N Filters' Top-Notch Products. | Active Deals |
| Free Gift | Enjoy No-Cost Bonus on Your Cart value Over $50 at K&N Filters ((on the whole site)) | Active Deals |
| 25% Off | Take 25% Off limited selection at K&N Filters | Active Deals |
| Season Special | Experience Optimal Engine Performance With K&N Filters. Let Your Ride Breathe. | Active Deals |
| 15% OFF | 15% OFF K & N Filters - Latest Deals | Active Deals |
| 25% Off | Collect 25% Off Select Products | Active Deals |
| 50% off | 50% off cabin filters | Active Deals |
| On $10 Or | Free Shipping On $10 Or More Sitewide | Active Deals |
| Free Gift | Avail a Complimentary Addition on Your Order Price $75 at K&N Filters ((sitewide)) | Active Deals |
| Of $100 + | Free Shipping On Orders Of $100+ | Active Deals |
| Free Gift | Collect a Complimentary Addition on Your Order value above $50 at K&N Filters ((on every item)) | Active Deals |
| Updated For Apr 2026 | ||
Popular Searches
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Here is How You Can Redeem your Discount Code
- Select the coupon code you wish to use.
- After you’ve copied the code, select all the items you wish to order.
- Go to your shopping cart and locate the promo code box.
- Enter the coupon code and hit enter, and your code will be applied.
If your Promo Code is Not Working, Try This
- Locate any errors in the coupon code that you have entered.
- Ensure the promo code is still valid.
- Double-check that you have met any minimum order requirements, if not then fill them up.
- The coupon code may only apply to one specific store so, make sure you have only bought the item from that store.
If No Coupons Are Available
Scroll through the entire website to find the “Offers for you” section. Look for the list of expired coupons or try out refer a friend program. This way you will know what coupons are still valid and which ones have become expired.
Combining Coupons
You can only use one coupon per order. If you wish to use all of your coupons, then you would need to place separate orders.
Using Online in Physical Outlets and Stores
Our coupons can be applied to orders placed on the app or website. If you wish to buy something by visiting a store or an outlet, then our coupons can be applied during an online order checkout. Otherwise, you cannot use it.
Annual Sales
Black Friday Sale
Our black Friday sales have been a hit for a long time now. With our wide range of black Friday promo codes, you can now shop from all of your favorite stores at discounted prices.
Public Holiday Sales
Holidays provide a great opportunity for dining out. Avail massive discounts on all public holidays including Memorial Day, Father’s Day, Labor Day, Valentine’s Day, Independence Day, and so on. Pop in online on our website to check out some amazing deals and find out some special promotions available.
Seasonal Sales
Find exclusive deals and offers for a limited time during specific seasonal events such as Christmas and Halloween. You will find plenty of deals on us during these holidays. Now shop for your favorite decorations for getting into the festive season.
Sale Selection
The sale selection on our website is always labeled as “offers for you.” Here you can find a range of promotions from a restaurant near you which includes anything from free delivery to a present off of your order.
K&N Filters Delivery & Returns
Get free delivery
You are not required to pay for your first delivery, it’s absolutely free. Moreover, if you are a returning K&N Filters customer then you can always get free delivery with a subscription. Also while you are at it, take advantage of the K&N Filters pickup option allowing you to place your order online and then pick it up from the store's location. This way you can always avoid K&N Filters delivery fees.
Delivery fees
Shipment of about (shipment fee) is charged on every order depending on the store you have shopped from. You will always see a charge on your order for “fees and estimated tax.” This includes sales tax in addition to a service fee.
K&N Filters Subscription
Our membership program is known as “Subscription name,” it costs about (Price) per month and gives you a $0 delivery fee for orders of $15 or more. There is also a K&N Filters 30- day free trial to see if the subscription is right for you.
K&N Filters App
Our K&N Filters app can be accessed on both their desktop website and mobile app. Both of them are similar however, the app is a more convenient way to place and track your orders.
More Saving Info
Promo Codes for First Orders
When you place your first order, you either get a 20% discount or a $0 delivery fee for your first order. All our discounts are available by selecting either option on the website or app to view popular restaurants near you. For more savings, new customers can take advantage of our new customer’s coupons.
Returning Customer Coupons
K&N Filters keeps running promotions and featured discounts on specific stores all year round. Our esteemed customers can leverage from these deals to save on K&N Filters orders. You can find these special promotions on all of our orders on our website and app.
How to Avail a Military Discount?
K&N Filters does not always offer a military discount for veterans and military members. You can always check for other discounts if you are a military officer.
Student Discount
At the moment, K&N Filters is offering a 25% discount on all of its esteemed stores. You just need to verify that you are a student by providing your official university email through our website and avail of the discount right away. The student discount cannot be used in combination with other K&N Filters promotions.
Sign Up Offer
We have an amazing K&N Filters sign-up offer. All you have to do is hit the “Sign me up” option on our app or website to get yourself registered. Once, you have registered, save on delivery and avail a wide range of discounts and offers.
Refer a Friend
You can always refer our website to your friend. If one of your friends wishes to join in, then simply send your friends a unique referral code and then sign up for K&N Filters to place their order. This way your discount will be applied to your account for you to use on all your future orders.
Feel free to pop in online and ask any questions from our 24/7 customer service representative. If you have a series of queries popping up in your mind get in touch with us today via email or drop us a text message. Hit us anytime during the day as our customer service representative works around the clock to help our esteemed customers and provide them with the best available discounts and offers. So what are you waiting for? Pop in online today!