oil thermostat

The oil thermostat is an important component of the engine lubrication system and regulates the temperature of the engine oil. It ensures that the oil reaches its optimal operating temperature as quickly as possible and is then kept constantly within an ideal temperature range.

Engine oil performs several functions in a vehicle: it lubricates moving parts, reduces friction, protects against wear, and contributes to engine cooling. For these functions to be reliably fulfilled, the oil must reach a specific operating temperature. The oil thermostat therefore controls the oil flow to the oil cooler.

At low temperatures, the thermostat remains closed, allowing the oil to circulate directly within the engine and warm up more quickly. Once the optimal temperature is reached, the thermostat opens and directs some of the oil through the oil cooler, where excess heat is dissipated.

Oil thermostats consist of a robust housing with an integrated thermostatic element, which usually operates using wax or bimetallic technology. This reacts precisely to temperature changes and automatically controls the oil flow.

A faulty oil thermostat can lead to excessively high or low oil temperatures. This can cause increased engine wear, power loss, or reduced lubrication. Replacing the thermostat ensures that the engine oil operates within its optimal temperature range and that the engine is reliably protected.

In this category, you'll find oil thermostats for numerous vehicle makes and models, available in perfect original equipment manufacturer (OEM) quality or as high-quality aftermarket alternatives. Autoteile Gossau offers the lowest prices in Switzerland, fast delivery, and the option to pick up your order at our store in Gossau. You can conveniently pay in cash or by card on site.