This CORTECO valve stem seal, part number 49472881, is engineered to prevent oil from leaking into the combustion chamber and intake/exhaust ports. Proper sealing is crucial for maintaining engine efficiency, reducing oil consumption, and preventing smoke. Crafted from durable materials, this seal ensures reliable performance under demanding engine conditions. Its precise design guarantees a perfect fit, contributing to the overall health and smooth operation of your engine. Replacing worn valve stem seals can resolve issues such as blue smoke on startup, increased oil consumption, and fouled spark plugs. Trust CORTECO for dependable sealing solutions that protect your engine.