+An **oil filter** is a crucial device designed to remove contaminants from [engine oil](/wiki/engine_oil), ensuring the [lubrication system](/wiki/lubrication_system) remains clean. This vital process prevents wear, protects engine components, and extends the life of internal combustion engines.
+## See also
+- [Engine](/wiki/engine)
+- [Maintenance](/wiki/maintenance)
+- [Filter](/wiki/filter)