This product is a CRP O-Ring designed for use in an engine oil filter housing cover. It has a part number of 11421744001EC and is used to create a seal between the housing cover and the engine block. The O-ring is made of durable materials and is designed to withstand high temperatures and pressure, ensuring a reliable seal. It is a crucial component in maintaining the proper functioning of the engine and should be replaced regularly as part of routine maintenance. This O-ring is compatible with various makes and models of vehicles and is an essential part for ensuring the longevity and efficiency of the engine.