Air Filters

K&N Universal Custom Air Filter - Unique Shape 10.813in OD / 2.188in Height - E-3982

The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for...

K&N Custom XD Air Filter - Round 14in OD x 5in H - E-3978XD

K&N XD air filters use a Deep Pile Design, Extra Fine Weave Grade Cotton and alternate geometries for added efficiency and capacity for off-road conditions. This extra thick filtering medium provides the increased protection demanded by high dust...

K&N Unique Air Filter - Replacement Element for RK-3931 - E-3975

The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for...

K&N Custom Air Filter - Round 4-5/8in ID x 6in OD x 2-3/4in H - E-3971

K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are...

K&N Custom Air Filter - Rectangular - 6.75in O/S Length x 4.5in O/S Width x 2.5in Height - E-3952

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N 17in OD / 14-1/2in ID / 6in Height Round Air Filter - E-3816

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N 16-1/4in OD / 14-1/2in ID / 3-1/2in Height Round Air Filter - E-3804

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Custom Air Filter 14in OD / 12in ID / 6in Height - E-3770

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Replacement Drop In Air Filter - 14in OD / 12in ID / 5in H w/Inner Wire - E-3760

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Replacement Drop In Air Filter - 14in OD / 12in ID / 4in H w/ Wire - E-3750

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Custom Air Filter 14in OD / 12in ID / 3.5in Height Round Filter - E-3745

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Custom Air Filter 14in OD / 12in ID / 3.0625in Height Round Filter - E-3743

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Custom Air Filter 14in OD / 12in ID / 2.813in Height Round Filter - E-3742

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Round Air Filter 14in OD / 12in ID / 2.313in Height - E-3740

The K&N E-3740 replacement air filter is designed to increase horsepower and acceleration by reducing restriction and increasing air flow to your engine. The E-3740 is made with oiled layers of woven cotton that offer superior filtration and can be...

K&N Custom Air Filter 14in. OD 12 11/16in. ID 3in. Height - E-3737

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Custom Air Filter 14 inch OD 12 11/16 inch ID 2 1/2 inch Height - E-3735

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Custom Round Air Filter 14in OD 12in ID 4in Height - E-3730

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Replacement Air Filter Round 11in OD 9-1/4in ID 6in H - E-3690

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Universal Round Air Filter 11in OD / 9-1/4in ID / 5in Height - E-3680

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Universal Oval Air Filter 12in Length x 5-1/4in Width x 3-1/4in Height - E-3671

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Replacement Air Filter Round 9in OD 7-1/2in ID 5in H - E-3650

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Universal Round Air Filter 9in OD / 7-1/2in ID / 4in Height - E-3640

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Custom Air Filter Round 9in OD x 8in ID x 2.87in H - E-3530

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Custom Oval Air Filter 7.75in OW X 14.625in OL x 2in H - E-3515

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...