Sitewide
20% OFF
K&N is offering 20% off motor oil with the purchase of an Oil Filter and at least two gallons of motor oil. Be sure to check if your items qualify before finalizing your order.
Est. ~$10 on $50
K&N promotional codes, October 2026
4 working codes · $130 average savings
K&N coupon codes
Sitewide
15% OFF
You can receive a 15% discount on the Exhaust Kit when you purchase both an Intake Kit and an Exhaust system from K&N. Confirm that your selections meet the criteria at checkout.
Est. ~$8 on $50
Sitewide
10% OFF
K&N offers 10% off when you buy Wiper Blades, an Oil Filter, Motor Oil, and an Air Filter cleaning kit. Ensure the items qualify for this discount when you review your cart.
Est. ~$5 on $50
Sitewide
$10 OFF
Enjoy a $10 discount on the cleaning kit when you buy an Air Filter and its cleaning kit together!
Est. ~$10 on $50