Engine Breather Filters

This Spectre breather filter, also known as a crankcase vent filter, has a flange with an inside diameter of 10mm. By using the included adjustable worm gear clamp, this air filter will fit tubes with outside diameters from 3/8 inch to 1/2 inch (8-12mm)...

Moroso Oil Separator/Breather - 5/8in Hose - Gold Iridite

Moroso Oil Separator/Breather - 3/4in Hose - Chrome

Moroso Positive Locking Breather - 3/4in Hose - Clear Finish

Ford Racing's push-in breather oil cap is available for open crankcase engines and will fit most Ford Racing 289/302/351W valve covers.

Ford Racing's push-in breather oil cap is available for open crankcase engines and will fit most Ford Racing 289/302/351W valve covers.

Ford Racing's push-in breather oil cap is available for open crankcase engines and will fit most Ford Racing 289/302/351W valve covers.

BMC Universal Engine Breather Filter 25mm Inlet / 40mm Filter Length

BMC Universal Engine Breather Filter 12mm Inlet / 40mm Filter Length

BMC Universal Engine Breather Filter 30mm Inlet / 40mm Filter Length

BMC Universal Engine Breather Filter 20mm Inlet / 40mm Filter Length

BMC Universal Engine Breather Filter 16mm Inlet / 40mm Filter Length

Founded in 1997, AIRAID advanced the automotive aftermarket industry with the introduction of its AIRAID Intakes brand of air intake systems. Initially developed for light trucks and sport utility vehicles, the first AIRAID kits combined an open-element...

Spectre's 3/4 inch push-in chrome valve cover breather has a chrome plated housing and features an internal baffle to help prevent oil splash and provide superior ventilation. This product is designed to work with valve covers that have a 3/4 inch to...

Spectre's 1 inch Valve Cover Breather Push-In with Tube is for all valve covers with 1-1/4 inch breather holes. This valve cover breather has been designed to accommodate PCV tubes and features an internal baffle to prevent oil splash and provide...