Dorman 674-432 Exhaust Manifold - Right

Durable Cast Iron Exhaust Manifold for Nissan and Infiniti

The Dorman 674-432 exhaust manifold is designed to provide reliable exhaust flow management for select Nissan and Infiniti vehicles. Engineered with cast iron construction and including essential mounting hardware, this exhaust manifold ensures a secure fit and long-lasting performance for your Pathfinder or QX4.

• Constructed from durable cast iron for strength and heat resistance
• Natural color finish with round port shape for optimal exhaust flow
• Includes mounting hardware, manifold gasket, output gasket, and flange gasket
• Equipped with a heat shield to protect surrounding components
• Compatible with Nissan Pathfinder and Infiniti QX4 models

Product Details and Specifications

This exhaust manifold (part number 674-432) is crafted from cast iron, a material known for its ability to withstand high temperatures and resist warping. The natural finish maintains the integrity of the material without additional coatings. Featuring a round port shape, it facilitates efficient exhaust gas flow from the engine to the exhaust system. The package includes all necessary mounting hardware, a manifold gasket, an output gasket, and a flange gasket to ensure a proper seal and installation. Additionally, the included heat shield helps reduce heat transfer to nearby engine components, enhancing overall durability.

Compatible Vehicles and Applications

This Dorman exhaust manifold is specifically compatible with Nissan Pathfinder and Infiniti QX4 models. It is designed to replace the original exhaust manifold, restoring proper exhaust flow and engine performance. The part number 674-432 should be referenced to confirm fitment with your specific vehicle year and engine configuration.

• Restores proper exhaust flow and reduces exhaust leaks
• Eliminates manifold cracks or warping issues
• Replaces damaged or corroded original exhaust manifold
• Prevents exhaust noise and improves engine efficiency
• Protects engine components with the included heat shield

Installation Notes and Tips

Installation of the Dorman 674-432 exhaust manifold requires basic mechanical skills and tools. Ensure the engine is cool before beginning work. Remove the old manifold carefully to avoid damaging surrounding components. Use the included gaskets and mounting hardware to achieve a proper seal and secure fit. Torque all bolts to manufacturer specifications to prevent leaks. Inspect the heat shield placement to ensure adequate protection.

Quality Assurance and Warranty

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-432 part is backed by Dorman's quality assurance processes to provide consistent performance. This product includes a limited warranty covering defects in materials and workmanship. Refer to Dorman's warranty policy for specific terms and conditions.