Air Filters - Drop In

K&N Replacement Rectangular Custom Air Filter Outside Length 17.125in x Outside Width 6.031in - E-9083

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 Industrial Air Filter for Bobcat / Case Intl. / Caterpillar / Hitachi / John Deere - E-4961

K&N Replacement Air Filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. K&N air filters are washable and reusable and provide high air-flow with excellent filtration.This Part...

K&N Replacement Industrial Air Filter Round 5.5in ID / 7in OD / 2.25in H - E-4665

The K&N E-4665 replacement air filter is constructed with an oil-free synthetic media. A tube of grease is provided in the packaging so that there is an airtight fit in case of severe vibrations. The E-4665 provides superior filtration protecting your...

K&N Replacement Industrial Air Filter 1.875in ID x 3.5in OD x 7.125in H Kubota/John Deere/Bobcat - E-4552

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the...

K&N Replacement Industrial Air Filter - Round - 2.75in ID x 4in OD x 3.188in H for Onan - E-4550

K&N Replacement Air Filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. K&N air filters are washable and reusable and provide high air-flow with excellent filtration.

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 - 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 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 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 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...

K&N Custom Oval Air Filter 7.75in OW X 14.625in OL x 4in H - E-3514

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 5-5/16in OD 4-1/16in ID 2-3/8in H - E-3506

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...