Dorman 674-524 Exhaust Manifold - Right

Durable Cast Iron Exhaust Manifold for Chevrolet and GMC Vehicles

The Dorman 674-524 exhaust manifold is engineered to provide reliable exhaust flow for select Chevrolet and GMC trucks and vans. Designed with a natural cast iron finish and square port shape, this manifold ensures a precise fit and long-lasting performance for your Express, Savana, Sierra, and Silverado models.

• Constructed from durable cast iron for strength and heat resistance
• Natural color finish complements OEM components
• Square port shape for optimal exhaust flow and sealing
• Includes mounting hardware for straightforward installation
• Comes with exhaust manifold gasket, flange gasket, and studs
• Equipped with a heat shield to protect surrounding components
• Compatible with Chevrolet Express 1500/2500, GMC Savana 1500/2500, Sierra 1500/1500 Classic, Silverado 1500/1500 Classic

Product Details and Specifications

The Dorman 674-524 exhaust manifold is crafted from cast iron, a material known for its durability and ability to withstand high temperatures generated by engine exhaust gases. The natural finish maintains the original equipment appearance, while the square port shape ensures a secure and efficient connection to the cylinder head. This manifold includes all necessary mounting hardware, such as three studs, and both the exhaust manifold gasket and flange gasket, simplifying the replacement process. Additionally, the included heat shield helps reduce heat transfer to nearby engine components, enhancing overall engine bay safety.

Compatible Vehicles and Applications

This exhaust manifold is specifically designed for use with the following Chevrolet and GMC models:

• Chevrolet Express 1500 and 2500
• GMC Savana 1500 and 2500
• GMC Sierra 1500 and 1500 Classic
• Chevrolet Silverado 1500 and 1500 Classic

Common Issues Addressed by This Exhaust Manifold

• Exhaust leaks causing noise and reduced engine efficiency
• Cracked or warped manifolds due to heat stress
• Failed gaskets leading to exhaust gas escape
• Corrosion or rust compromising manifold integrity
• Damaged heat shields increasing engine bay temperatures

Installation Notes and Tips

When installing the Dorman 674-524 exhaust manifold, ensure all old gasket material is thoroughly cleaned from the mounting surfaces to prevent leaks. Use the included mounting hardware and gaskets for a proper seal. Torque all bolts to manufacturer specifications to avoid warping or damage. The included heat shield should be positioned correctly to protect adjacent components from excessive heat.

Quality Assurance and Warranty

Dorman manufactures this exhaust manifold to meet or exceed OEM standards for fit, form, and function. The part is backed by a limited warranty covering defects in materials and workmanship, providing confidence in its durability and performance for your Chevrolet or GMC vehicle.