The product is a Fel-Pro Timing Cover Gasket Set designed for Ford F-150 Heritage 2004 vehicles with a 4.6 Ford Modular V8 or 5.4 Ford Modular V8 engine. It is a direct replacement part with the manufacturer part number TCS 45982-1. The gasket set is compatible with various Ford and Lincoln models and is an essential component for the engine timing system. Made by Fel-Pro, a trusted brand in engine parts, this timing cover gasket set ensures a reliable and proper seal to keep your vehicle running smoothly..