Dorman 674-381 Exhaust Manifold - Left

Durable Cast Iron Exhaust Manifold for Ford F-Series Trucks

The Dorman 674-381 exhaust manifold is engineered to provide reliable exhaust flow for Ford F-250, F-250 HD, and F-350 models. Constructed from cast iron with a natural finish, this exhaust manifold offers durability and consistent performance for your heavy-duty truck.

• Material: Cast iron for strength and heat resistance
• Color: Natural cast iron finish
• Port Shape: Round for optimized exhaust flow
• Includes mounting hardware and gasket for straightforward installation
• Grade Type: Regular, suitable for standard replacement needs
• Package Contents: Exhaust manifold, one manifold gasket, and two nuts

Product Details and Specifications

This exhaust manifold is designed specifically for Ford F-250, F-250 HD, and F-350 trucks, ensuring proper fit and function. The cast iron construction withstands high temperatures and resists warping, which is critical for maintaining exhaust system integrity. The round port shape supports efficient exhaust gas evacuation, helping maintain engine performance and emissions compliance. Included mounting hardware and gasket simplify the replacement process, reducing installation time and potential leaks.

Compatible Vehicles and Applications

The Dorman 674-381 exhaust manifold is compatible with the following Ford models:

• Ford F-250
• Ford F-250 HD
• Ford F-350

This part is ideal for addressing common exhaust manifold issues such as:

• Exhaust leaks causing noise and reduced engine efficiency
• Cracks or warping from heat stress
• Failed or damaged gaskets leading to exhaust fumes entering the cabin
• Corrosion or rust compromising manifold integrity

Installation Notes and Tips

Installation of the Dorman 674-381 exhaust manifold includes the necessary mounting hardware and gasket, facilitating a secure and proper fit. It is recommended to inspect the exhaust ports and surrounding components for damage or debris before installation. Use proper torque specifications to avoid warping the manifold. Replacement should be performed when the engine is cool to prevent injury and ensure accurate fitting.

Quality Assurance and Warranty

Dorman manufactures this exhaust manifold to meet or exceed OEM standards for fit, form, and function. The part number 674-381 undergoes quality checks to ensure durability and performance. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in your replacement part.