Coupon Alerts
for K&N
When exclusive offers come to us, they go directly to you.
K&N Promo Codes & Coupons
Apr 2025.
11 offers validated
$111 Average savings at checkout
Top Coupon
20% OFF
Enter this K&N promo code to receive 20% off on motor oil with purchase an Oil Filter and 2 or more Motor Oil (gallon or quart).
Top Coupon
15% OFF
Paste this K&N promo code to receive 15% off the Exhaust Kit with purchase an Intake Kit and an Exhaust system together.
10% OFF
Receive 10% off Wiper Blades, Oil Filter, Motor Oil, and an Air Filter cleaning kit together when you copy this K&N coupon code.
$10 OFF
Receive $10 off the cleaning kit with purchase of an Air Filter and an Air Filter cleaning kit together when you copy this K&N promo code.
20% OFF
Apply this K&N promo code to get 20% off Air Filter Wrap with purchase of Air Intake System.
$50 OFF
Receive $50 off selected Air Intakes when you paste this K&N promo code.
$10 OFF
Activate this K&N promo code and purchase Cabin Air Filter & Cabin Air Filter cleaning kit (99-6000) together and receive $10 off the cleaning kit.
$10 OFF
Activate this K&N promo code and order Home Air Filter & a Home Air Filter cleaning kit (99-6010) together and receive $10 off the cleaning kit.
UP TO 35% OFF
Get up to 35% off Air Filters & Performance Parts when you use this K&N coupon.
$5 OFF
Receive $5 off Home Air Filters when you apply this K&N coupon.
Free Shipping
Apply this K&N promo to enjoy Free Shipping on all orders over $25.
Coupon Alerts
for K&N
When exclusive offers come to us, they go directly to you.
Recently Expired Offers
Freebie
Get Free Fender Cover with $100 order more when you paste this K&N coupon code.
Freebie
Receive Free Face Cover with purchase of 1 Gallon of K&N Motor Oil by using this K&N coupon code.
20% OFF
Receive 20% off select air fitlers when you copy this K&N promo code.
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