The oil drain plug gasket is important because it secures the plug when it is properly tightened.
Oil drain plug gasket principleThe oil drain plug gasket was made to secure the plug and protect your engine. Gaskets are utilized all over the vehicle to prevent leaks and make it possible to have higher pressures. The purpose of the plug gasket is to make sure that the plug does not come out because they are made for single use, so once they are installed and loosened it won't seal the plug anymore.
Common issues with a faulty oil drain plug gasketA faulty oil drain plug gasket can lead to an engine oil leak and can damage the engine.