Dorman 674-859XD Driver Side Exhaust Manifold Compatible with Select Models

Want to make sure your new exhaust manifold performs better and lasts longer than the original? No need to buy a replacement and get it specially coated. This manifold comes with a specialized ceramic coating that more evenly distributes heat, both helping to prevent thermal cracking as well as enabling smoother exhaust gas flow. 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]

• Premium replacement - this exhaust manifold features a specialized ceramic coating designed to improve durability and performance on select vehicles
• Reduces future failures - by evenly distributing heat, coating reduces uneven hot and cold spots that lead to cracks, and decreases inconsistent expanding and contracting that leads to gasket failures
• Optimizes performance - made to smooth the interior manifold surface and keep heat within the manifold, leading to higher exhaust velocity and optimal operation
• Improves appearance - coating is highly corrosion-resistant, maintaining like-new appearance for years while other cast manifolds show significant unsightly rust
• Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool