Dorman 674-470 Exhaust Manifold - Left

Durable Cast Iron Exhaust Manifold for Chevrolet and GMC Vehicles

The Dorman 674-470 exhaust manifold is engineered to provide reliable exhaust flow for a range of Chevrolet and GMC trucks and SUVs. Constructed from cast iron with an oval port shape, this exhaust manifold is designed to meet the demands of regular driving conditions while ensuring proper fitment and performance.

• Made from durable cast iron material for long-lasting strength
• Natural color finish with an oval port shape for optimized exhaust flow
• Includes mounting hardware and gaskets for straightforward installation
• Compatible with Chevrolet and GMC models including Blazer, C1500, Suburban, Jimmy, Tahoe, Yukon, and more
• Part number 674-470 ensures exact replacement fit

Product Details and Specifications

This exhaust manifold by Dorman is designed specifically for select Chevrolet and GMC vehicles such as the Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Jimmy, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Tahoe, and Yukon. The cast iron construction offers durability and resistance to heat and corrosion, while the oval port shape helps maintain efficient exhaust gas flow. The product package includes the exhaust manifold, one manifold gasket, one flange gasket, and three studs, providing all necessary components for installation. The absence of a heat shield is noted, so additional heat protection may be required depending on vehicle setup.

Common Applications and Problem Resolution

• Replacement for cracked or warped exhaust manifolds causing exhaust leaks
• Restores proper exhaust flow to improve engine efficiency and reduce emissions
• Addresses exhaust manifold gasket failures that lead to noise and fumes
• Suitable for repairing manifolds damaged by corrosion or impact
• Helps resolve engine performance issues related to exhaust backpressure

Installation Notes and Tips

Installation of the Dorman 674-470 exhaust manifold is simplified by the inclusion of mounting hardware and gaskets. It is important to ensure all old gasket material is fully removed before installation to prevent leaks. Torque specifications should be followed according to the vehicle manufacturer’s guidelines. Since this manifold does not include a heat shield, verify if your vehicle requires additional heat protection to avoid damage to nearby components.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit and function. The 674-470 part number undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.