This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Cadillac Escalade EXT: 2002] - [Cadillac Escalade: 2002] - [Chevrolet Express 2500: 2003] - [Chevrolet Express 3500: 2003] - [Chevrolet Silverado 1500 HD: 2001, 2002] - [Chevrolet Silverado 1500: 1999, 2000, 2001] - [Chevrolet Silverado 2500 HD: 2001, 2002] - [Chevrolet Silverado 2500: 1999, 2000, 2001, 2002] - [Chevrolet Silverado 3500: 2001, 2002] - [Chevrolet Suburban 1500: 2000, 2001] - [Chevrolet Suburban 2500: 2000, 2001, 2002] - [Chevrolet Tahoe: 2000, 2001] - [GMC Savana 2500: 2003] - [GMC Savana 3500: 2003] - [GMC Sierra 1500 HD: 2001, 2002] - [GMC Sierra 1500: 1999, 2000, 2001, 2002] - [GMC Sierra 2500 HD: 2001, 2002] - [GMC Sierra 2500: 1999, 2000, 2001, 2002] - [GMC Sierra 3500: 2001, 2002] - [GMC Yukon XL 1500: 2000, 2001, 2002] - [GMC Yukon XL 2500: 2000, 2001, 2002] - [GMC Yukon: 2000, 2001, 2002]