Crankcase screw cap

The crankcase screw cap is an important sealing element in the engine block and serves to reliably seal openings in the crankcase. These openings are created during the manufacturing or assembly of the engine and are closed with special screw caps or plugs to reliably seal the oil circuit and the engine's interior.

The crankcase forms the central housing of the engine, containing the crankshaft, connecting rods, and other important components of the crank mechanism. The screw cap prevents engine oil from leaking out and dirt and foreign matter from entering the engine housing. At the same time, it ensures that the necessary oil pressure is maintained in the lubrication system.

Crankcase screw caps are usually made of high-strength steel or robust metal alloys and are equipped with special sealing surfaces or sealing rings. This design ensures a reliable seal even under high temperatures, engine vibrations, and pressure loads.

A damaged or leaking screw cap can lead to oil loss or pressure problems in the lubrication system. Timely replacement ensures that the crankcase remains properly sealed and the engine is reliably lubricated.

At Autoteile Gossau, you'll find crankcase screw caps for numerous vehicle models and engine variants. We offer both original parts and high-quality aftermarket components. Benefit from very competitive prices in Switzerland, fast delivery, and the option to pick up your order directly from our store in Gossau and pay conveniently by cash or card.