The Genuine GM Engine Block Valley Cover Gasket 12558178 is a high-quality replacement gasket designed for specific GM vehicle models from 1997 to 2007. Manufactured by GM Genuine Parts, this gasket ensures a secure seal between the engine block and valley cover, preventing leaks and ensuring optimal engine performance. With a direct fitment type and genuine OEM status, this gasket is a reliable and compatible option for Chevrolet, GMC, Hummer, Cadillac, and Buick vehicles. Made with durable materials and precise engineering, this gasket provides a long-lasting solution for your engine sealing needs.[ bin16]