This ELRING valve stem seal, part number 317.020, is engineered to provide a reliable seal for your engine's valve stems. Its primary function is to prevent engine oil from leaking past the valve guides and into the combustion chamber, which can lead to increased oil consumption, blue smoke from the exhaust, and reduced engine efficiency. Crafted from durable materials, this seal is designed to withstand the high temperatures and pressures found within the engine. Proper installation of this valve stem seal is crucial for maintaining optimal engine compression, clean combustion, and overall engine health. Replacing worn or damaged valve stem seals can resolve issues such as oil burning and fouled spark plugs. ELRING is a trusted name in engine components, known for producing parts that meet or exceed original equipment specifications. Choosing ELRING ensures you are fitting your vehicle with a component that offers excellent performance and durability, contributing to the reliable operation of your engine.