Dorman 674-781 Exhaust Manifold - Left

Reliable Exhaust Manifold for Ford E-350 and Super Duty Models

The Dorman 674-781 exhaust manifold is engineered to provide a durable and efficient exhaust flow solution for select Ford trucks and vans. Designed specifically for Ford E-350 Econoline, E-350 Econoline Club Wagon, E-350 Super Duty, F-250 Super Duty, and F-350 Super Duty models, this cast stainless steel manifold ensures long-lasting performance under demanding conditions.

• Constructed from cast stainless steel for corrosion resistance and durability
• Natural color finish with round port shape for optimal exhaust flow
• Includes mounting hardware, 5 manifold gaskets, 2 studs, and 2 nuts for complete installation
• Gasket and seal included to ensure a proper fit and prevent leaks
• Compatible with Ford E-350 Econoline and F-Series Super Duty trucks

Durable Cast Stainless Steel Construction

The Dorman 674-781 exhaust manifold is made from cast stainless steel, providing enhanced resistance to rust and heat-related wear compared to standard materials. Its natural finish maintains integrity over time without the need for additional coatings. The round port shape is designed to match factory specifications, ensuring proper exhaust gas flow and compatibility with the vehicle’s exhaust system. This manifold comes with all necessary mounting hardware and gaskets, simplifying the replacement process.

Compatible Ford Models and Applications

This exhaust manifold is compatible with a range of Ford vehicles, including the E-350 Econoline, E-350 Econoline Club Wagon, E-350 Super Duty, F-250 Super Duty, and F-350 Super Duty. It is designed to meet the specific exhaust routing and mounting requirements of these models, making it a suitable replacement part for maintenance or repair.

Common Issues Addressed by This Exhaust Manifold

• Exhaust leaks caused by cracked or warped manifolds
• Reduced engine performance due to exhaust backpressure
• Corrosion damage from exposure to heat and road elements
• Failed gaskets leading to exhaust noise and emissions issues
• Replacement of worn or damaged mounting hardware

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use the included gaskets and hardware to maintain proper sealing and fit
• Torque mounting bolts to manufacturer specifications to prevent leaks
• Inspect surrounding exhaust components for wear during installation
• Check for exhaust leaks after installation and retighten bolts if necessary

Quality Assurance and Warranty Information

Dorman provides this exhaust manifold with a regular grade type assurance, meeting industry standards for durability and fitment. The part number 674-781 is backed by Dorman’s quality control processes to ensure reliable performance. Please refer to Dorman’s warranty policy for specific coverage details.