Crankcase ventilation filter

The crankcase ventilation filter is an important component of the crankcase ventilation system of an internal combustion engine. It ensures that the gases generated in the crankcase are filtered before they are released into the intake system or the ambient air. This prevents oil mist, dirt particles, or deposits from entering other engine components.

During engine operation, so-called blow-by gases are produced, which escape past the piston rings into the crankcase. These gases contain combustion residues as well as oil mist. The crankcase ventilation filter separates some of these particles and ensures that the gases can be expelled in a controlled manner. At the same time, it helps to regulate the pressure in the crankcase.

The filter elements usually consist of special filter materials or metal meshes designed for use in the engine compartment. They must withstand high temperatures, oil vapors, and a continuous flow of gas.

A dirty or clogged crankcase ventilation filter can lead to increased crankcase pressure, increased oil consumption, rough engine running, or leaks. Regular replacement helps keep the engine ventilation system functioning efficiently and protects the engine from contaminants.

At Autoteile Gossau, you'll find crankcase ventilation filters for numerous vehicle models and engine variants. We offer both original parts and high-quality aftermarket options. Benefit from very competitive prices in Switzerland, fast delivery, and the convenience of picking up your order directly from our store in Gossau and paying by cash or card.