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K&N Heavy Duty (HD) Air Filter Warranty
K&N Heavy Duty (HD) Air Filters are backed by a 300,000 Mile Limited Warranty when used on vehicles for which they were designed. If one of these products ever fails to provide complete satisfaction, K&N will replace it.
WHAT IS NOT COVERED BY OUR WARRANTY
Any K&N HD Air Filter used for 1: any type of racing or competition; 2: custom or modified applications; 3: marine or industrial applications. All K&N HD Air Filters not covered by our 300,000 Mile Limited Warranty are warranted against defective materials or workmanship for one year from date of purchase with no mileage limitations. This includes K&N HD Air Filters sold for generators and light industrial equipment.
INCORRECT CLEANING OR USE VOIDS WARRANTY
K&N Air Filters should be cleaned when the restriction reaches 15” H2O, or once a year. Cleaning should be done according to the K&N Cleaning instructions. Use of chemicals not specifically designed to clean K&N HD Air Filters (i.e. gasoline, cleaning solvent, paint thinner, acetone, or diesel fuel) will void the warranty. Any damaged, abused or modified K&N HD Air Filters will not be warranted.
Any K&N HD Air Filter returned to K&N will need a Returned Good Authorization number and must be sent at customers’ expense along with proof of purchase. Call 1-800-858-3333 or contact K&N by email or mail.
EXTENT OF WARRANTY
Any defective K&N HD Air Filter properly returned to K&N will be replaced. K&N reserves the right to determine whether the terms of the warranty, set out above, have been properly complied with. In the event that the terms are not compiled with, K&N shall be under no obligation to honor this warranty. K&N will not be responsible for any indirect, consequential, special, contingent, or other damages.