This ELRING valve stem seal, part number 130.860, is engineered to prevent oil from entering the combustion chamber through the valve guides. Proper sealing is crucial for maintaining engine compression, reducing oil consumption, and ensuring clean emissions. Crafted from durable materials, this seal is built to withstand the high temperatures and pressures within the engine. Its precise design ensures a perfect fit, preventing leaks and contributing to the overall longevity of your engine components. Replacing worn valve stem seals can resolve issues such as blue smoke on startup, increased oil consumption, and fouled spark plugs. This ELRING seal offers a reliable solution for maintaining your engine's health and performance.