Dorman 674-478 Exhaust Manifold - Right

Durable Exhaust Manifold for Jeep Commander and Grand Cherokee

The Dorman 674-478 exhaust manifold is engineered to provide reliable exhaust flow for Jeep Commander and Grand Cherokee models. Crafted from cast stainless steel, this exhaust manifold offers durability and resistance to corrosion under high-temperature conditions.

• Constructed from cast stainless steel for strength and longevity
• Natural color finish with a rectangular port shape for precise fitment
• Includes one exhaust manifold and one gasket for proper sealing
• Tube wall thickness of 0.555 inches for enhanced durability
• Compatible with Jeep Commander and Grand Cherokee vehicles

Product Details and Specifications

This Dorman exhaust manifold (part number 674-478) features a rectangular port shape designed to match the exhaust ports on compatible Jeep models, ensuring efficient exhaust gas flow. The cast stainless steel material provides resistance to rust and thermal stress, which is critical for maintaining performance over time. The included gasket helps create a secure seal between the manifold and the engine block, reducing the risk of exhaust leaks. Note that this manifold does not include an oxygen sensor port and does not come with mounting hardware or a heat shield.

Compatible Vehicles and Applications

This exhaust manifold is specifically designed for use with Jeep Commander and Jeep Grand Cherokee models. It is suitable for owners seeking a replacement manifold that meets OEM specifications and maintains proper exhaust system function.

• Replacement for cracked or damaged exhaust manifolds
• Addresses exhaust leaks causing noise or reduced engine efficiency
• Helps restore proper exhaust flow and emissions control
• Suitable for vehicles experiencing manifold warping or corrosion

Installation Notes and Tips

When installing the Dorman 674-478 exhaust manifold, ensure the gasket surface is clean and free of debris to achieve a proper seal. Use appropriate torque specifications for mounting bolts to avoid warping the manifold. Since mounting hardware is not included, reuse existing hardware if in good condition or source OEM replacements. Verify compatibility with your specific Jeep Commander or Grand Cherokee model year before installation.

Quality Assurance and Warranty

Dorman manufactures this exhaust manifold to meet regular grade standards, providing a reliable replacement part for Jeep vehicles. The product includes a gasket to ensure proper sealing. While no specific warranty details are provided, Dorman parts typically undergo quality checks to comply with industry standards.