Dorman 674-201 Exhaust Manifold - Left

Durable Cast Iron Exhaust Manifold for Chevrolet and GMC Vehicles

The Dorman 674-201 exhaust manifold is engineered to provide reliable exhaust flow for select Chevrolet and GMC models. Designed with a natural cast iron finish and square port shape, this manifold ensures a precise fit and long-lasting performance for your Blazer, C10 Suburban, C20 Suburban, Jimmy, K10 Suburban, and K20 Suburban.

• Constructed from durable cast iron material for strength and heat resistance
• Natural color finish complements original equipment appearance
• Square port shape for optimal exhaust gas flow and sealing
• Includes mounting hardware and gaskets for complete installation
• Regular grade type suitable for standard vehicle applications

Product Details and Specifications

The Dorman 674-201 exhaust manifold is designed specifically for Chevrolet and GMC trucks and SUVs including the Blazer, C10 Suburban, C20 Suburban, Jimmy, K10 Suburban, and K20 Suburban. Its cast iron construction offers durability under high-temperature conditions, while the natural finish maintains a factory-like look. The square port shape matches the cylinder head ports to ensure proper exhaust flow and reduce leaks. This manifold comes with all necessary mounting hardware, including one manifold gasket, one flange gasket, and three studs, allowing for a straightforward replacement process. Note that a heat shield is not included with this part.

Compatible Vehicles and Common Applications

• Replacement for worn or cracked exhaust manifolds on Chevrolet Blazer and GMC Jimmy
• Restores proper exhaust flow and reduces exhaust leaks in C10 and C20 Suburban models
• Addresses exhaust manifold gasket failures causing noise or emissions issues
• Suitable for repairing exhaust manifold mounting hardware damage
• Helps maintain engine performance by ensuring proper exhaust evacuation

Installation Notes and Tips

When installing the Dorman 674-201 exhaust manifold, ensure all old gasket material is thoroughly cleaned from the cylinder head surface to prevent leaks. Use the included gaskets and mounting hardware for a secure fit. Torque the manifold bolts to manufacturer specifications to avoid warping or damage. Since a heat shield is not included, verify if your vehicle requires one and reuse the original if applicable. Professional installation is recommended for best results.

Quality Assurance and Warranty Information

Dorman manufactures this exhaust manifold to meet or exceed OEM standards for fit, form, and function. The cast iron material provides reliable durability under normal operating conditions. This part is backed by Dorman's limited warranty, which covers defects in material and workmanship. For specific warranty terms, refer to Dorman's official documentation.