Dorman 674-736HS Exhaust Manifold Heat Shield - Right

Exhaust Manifold Heat Shield for GM HD Trucks

Dorman 674-736HS is a direct replacement exhaust manifold heat shield for the right side of select Chevrolet and GMC trucks and vans. It restores the factory-style heat protection around the exhaust manifold without replacing the manifold itself.

• Direct replacement for the original right-side exhaust manifold heat shield
• Dimensionally verified to match the original fit and shape
• Carbon steel construction with a silver finish
• One-piece configuration with 4 mounting holes
• Specific fit for select Chevrolet Express, Silverado HD, GMC Savana, and Sierra HD applications
• Part number 674-736HS for application matching and search accuracy

Built for OE-Style Fit

This Dorman exhaust manifold heat shield is made from carbon steel and tested for material reliability to support long service life in high-heat exhaust environments. It is engineered as a specific-fit replacement for the right side on 2001-2016 Chevrolet Silverado 2500 HD, 2007-2016 Chevrolet Silverado 3500 HD, 2006-2016 Chevrolet Express 2500, 2006-2016 Chevrolet Express 3500, 2001-2016 GMC Sierra 2500 HD, 2007-2016 GMC Sierra 3500 HD, 2006-2016 GMC Savana 2500, and 2006-2016 GMC Savana 3500. The 674-736HS also fits 2007 Chevrolet Silverado 2500 HD Classic, 2007 Chevrolet Silverado 3500 Classic, 2007 GMC Sierra 2500 HD Classic, 2007 GMC Sierra 3500 Classic, 2001-2006 Chevrolet Silverado 3500, and 2001-2006 GMC Sierra 3500, right.

This part cross-references OE number 97224586 for the same application.

What This Heat Shield Helps Address

• Loose or missing exhaust manifold heat shield on the right side
• Heat exposure around nearby engine bay components
• Rattling or vibration caused by a damaged shield
• Corrosion or fatigue in the original shield
• Need to replace the shield without replacing the manifold

Installation Notes

Verify vehicle year, make, model, and right-side application before installation. Compare the mounting hole layout and overall dimensions to the original shield to confirm proper alignment. Because mounting hardware is not included, reuse serviceable factory hardware or source the correct fasteners separately as needed. The 674-736HS is intended for direct replacement use on the listed Chevrolet Silverado HD, GMC Sierra HD, Express, and Savana applications.

Quality Assurance

Dorman verifies the dimensions of this heat shield against the original part and performs material testing to support dependable service life in exhaust heat conditions. That combination helps ensure the 674-736HS matches the intended OE-style fit for the specified GM truck and van applications.