Dorman 674-859 Exhaust Manifold - Left

Reliable Cast Iron Exhaust Manifold for Your Vehicle

The Dorman 674-859 exhaust manifold is designed to provide durable and efficient exhaust flow for compatible vehicles. Crafted from cast iron with a natural finish, this exhaust manifold ensures long-lasting performance and heat resistance.

• Constructed from durable cast iron material
• Natural color finish for corrosion resistance
• Round port shape for optimized exhaust flow
• Includes mounting hardware: 3 studs and 3 nuts
• Comes with exhaust manifold gasket and heat shield
• Grade type: Regular for standard replacement needs

Product Details and Features

The Dorman 674-859 exhaust manifold is engineered with a round port shape to facilitate smooth exhaust gas flow, reducing backpressure and improving engine efficiency. Made from cast iron, it offers excellent heat retention and durability under high-temperature conditions. The natural color finish helps resist corrosion over time. This manifold includes all necessary mounting hardware, such as three studs and nuts, along with a gasket and heat shield to ensure a proper seal and protect surrounding components from heat damage.

Compatible Vehicles and Applications

This exhaust manifold is compatible with various vehicle makes and models requiring a regular grade replacement manifold with round ports. It is suitable for applications where a cast iron manifold is specified, providing a reliable solution for exhaust system repairs or upgrades. The part number 674-859 should be referenced to confirm fitment with your specific vehicle model.

• Replaces cracked or damaged exhaust manifolds
• Solves exhaust leaks causing noise or emissions issues
• Restores proper exhaust flow for improved engine performance
• Prevents heat damage to engine bay components
• Addresses gasket failure and mounting hardware wear

Installation Notes and Tips

Installation of the Dorman 674-859 exhaust manifold requires basic mechanical skills and proper tools. Ensure the engine is cool before beginning work. Use the included gasket and mounting hardware to secure the manifold tightly, preventing exhaust leaks. It is recommended to inspect the exhaust ports and surrounding components for damage or corrosion before installation. Torque all fasteners to manufacturer specifications to avoid warping or leaks.

Quality Assurance and Warranty

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-859 part undergoes rigorous quality control to ensure durability and performance. This product includes a limited warranty against defects in material and workmanship, providing confidence in your replacement part.