The Genuine GM Front Cover Gasket 12633904 is a high-quality, direct replacement gasket designed for GM vehicles. Made of durable aluminum material, this black gasket comes with a seal included and has 8 bolt holes for secure installation. It is a genuine OEM part with superseded part numbers 12558013 and 12574294, ensuring a perfect fit and reliable performance. Ideal for front placement on vehicles, this gasket is manufactured in the United States by GM, ensuring quality and compatibility with your vehicle's engine.