Dorman 674-5603 Driver Side Exhaust Manifold Compatible with Select Models

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. [Chevrolet W3500 Tiltmaster: 2003, 2004, 2005, 2006, 2007] - [Chevrolet W4500 Tiltmaster: 2003, 2004, 2005, 2006, 2007] - [GMC W3500 Forward: 2004, 2005, 2006, 2007] - [GMC W4500 Forward: 2003, 2004, 2005, 2006, 2007] - [Isuzu NPR: 2003, 2004, 2005, 2006, 2007] - [Isuzu NPR-HD: 2003, 2004, 2005, 2006, 2007] - [Workhorse Custom Chassis P42: 2004, 2005] - [Workhorse Custom Chassis W42: 2006, 2007] - [Workhorse FasTrack FT1461: 2004, 2005] - [Workhorse FasTrack FT1801: 2004, 2005] - [Workhorse W16: 2006, 2007] - [Workhorse W18: 2006, 2007] - [Workhorse W42: 2006, 2007] - [Workhorse W62: 2006, 2007]

• Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
• Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance
• Complete repair - includes all necessary gaskets and downpipe hardware
• Trustworthy design - built by industry leader in aftermarket manifolds
• Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool