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. [Buick Rainier: 2004, 2005] - [Chevrolet Trailblazer EXT: 2002, 2003, 2004, 2005] - [Chevrolet Trailblazer: 2002, 2003, 2004, 2005] - [GMC Envoy XL: 2002, 2003, 2004, 2005] - [GMC Envoy XUV: 2004, 2005] - [GMC Envoy: 2002, 2003, 2004, 2005] - [Isuzu Ascender: 2003, 2004, 2005] - [Oldsmobile Bravada: 2002, 2003, 2004] - [Saab 9-7x: 2005]