Corteco Crankshaft Seal - 12015711B is a high-quality seal designed to provide reliable sealing performance in a wide range of automotive applications. It features a durable nitrile rubber construction and is designed to provide superior sealing performance in temperatures ranging from -40°F to +400°F. It also features a metal-clad rubber lip for improved sealing performance and is designed to be resistant to oil, fuel, and other automotive fluids.