Corteco Valve Stem Oil Seal Set - 49375329 is a set of valve stem oil seals designed for use in automotive engines. These seals are made by Corteco, a leading manufacturer of automotive parts, and are specifically designed to provide a tight seal for the valve stems, preventing oil from leaking out of the engine. The set includes multiple seals, allowing for a complete replacement of all valve stem seals in an engine. These seals are made from high-quality materials and are designed to withstand the high temperatures and pressures of engine operation. They are a crucial component in maintaining the proper function and longevity of an engine.