K&N Air Filters & Air Filter Cleaning Kits

  • High flow air filters designed to improve engine performance
  • Designed to increase horsepower, torque, and acceleration
  • Excellent filtration and dependable protection for long engine life
  • Washable and reusable air filters that are easy to clean and reuse
  • Long service intervals up to 50,000 miles depending on driving conditions
  • Environmentally friendly reusable air filters
K&N Air Filters & Cleaning Kits
K&N Automotive Air Filters

Automotive Stock Replacement Air Filters

K&N manufactures air filters for just about every car and truck on the road. K&N automotive stock replacement air filters are made with an oiled cotton media that is washable and reusable. They are designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life.
K&N Motorcycle and ATV Replacement Air Filters

Motorcycle and ATV Stock Replacement Air Filters

K&N motorcycle and ATV stock replacement air filters are made with an oiled cotton media for high air flow and outstanding engine protection. They have a long service life and when dirty are easy to clean.
Heavy Duty Diesel Air Filters

Heavy Duty Diesel Air Filters

K&N's line of washable commercial grade air filters are made from a durable synthetic air filter media. They are designed specifically for large turbo diesel engines, class 6-8 over-the-road trucks, agricultural and earth moving equipment, and diesel motorhomes.
Industrial / Small Engine Air Filters

Industrial / Small Engine Air Filters

K&N manufactures many direct replacement air filter elements for small industrial engines, utility lawn and garden units, air compressors, generators, chain saws, and more. Most of them are made with a synthetic air filter media and can be cleaned with K&N synthetic air filter cleaner and reused again and again.
Racing and Custom Air Filters

Racing and Custom Air Filters

K&N makes many types of air filters and assemblies for racing, off-road vehicles, carbureted engines, and more. These include filters, filter assemblies, filter lids, hood scoops, air boxes, and other products.
Marine Air Filters

Marine Air Filters/Flame Arrestors

K&N Marine Flame Arrestors are marine approved per the SAE J1928 standard. They are washable and reusable and are designed to improve horsepower and torque.
Universal Clamp-on Air Filters

Universal Clamp-on Air Filters

K&N's Universal Clamp-on Air Filters are designed and manufactured for a wide variety of applications. They have an oiled cotton filter media that is washable and reusable. K&N manufactures hundreds of universal clamp-on air filters which are available in round, cone (tapered) and oval designs.
Crankcase Vent Air Filters | Breather Filters

Crankcase Vent Air Filters | Breather Filters

K&N crankcase vent filters and breather filters were designed for racing needs and to look great in show cars. They come in several styles with rubber or chrome tops, with or without shields and in a variety of mounting types for just about any valve cover need.
Air Filter Cleaning Accessories

Air Filter Cleaning Kits and Accessories

K&N has air filter cleaning supplies for K&N cotton, synthetic and heavy duty synthetic air filters. K&N stock replacement air filters have cotton media. They are cleaned with K&N Power Kleen Industrial Strength Degreaser and then oiled with a specialized blend of oil.
Air Filter Facts

Air Filter Facts

There's a lot of science behind air filter design. Read how K&N low restriction air filters provide superior filtration of harmful contaminants and why that's important to your engine.
Washable Cabin Air Filters

Washable Cabin Air Filters

The K&N Washable Cabin Air Filter is the first of its kind designed to replace your vehicle's stock cabin air filter with a washable and reusable version that cleans and freshens incoming air.