Dorman 674-745 Exhaust Manifold - Right

Durable Cast Iron Exhaust Manifold for Ford E-350 and Super Duty Models

The Dorman 674-745 exhaust manifold is engineered to provide reliable exhaust flow for select Ford trucks and vans. Designed with cast iron construction and including essential mounting hardware, this exhaust manifold ensures a secure fit and long-lasting performance for your Ford E-350 Club Wagon, F-250 Super Duty, and related models.

• Constructed from durable cast iron for strength and heat resistance
• Natural color finish with round port shape for optimal exhaust flow
• Includes exhaust manifold gasket, 2 bolts, and 2 nuts for complete installation
• Compatible with Ford E-350 Club Wagon, E-350 Econoline, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty
• Regular grade type ensuring standard performance and fitment

Product Details and Specifications

This Dorman exhaust manifold (part number 674-745) is made from cast iron, a material known for its durability and ability to withstand high temperatures generated by engine exhaust gases. The natural finish maintains the integrity of the manifold without additional coatings. Featuring a round port shape, it matches the exhaust ports on compatible Ford models to ensure proper sealing and exhaust flow. The package includes the manifold itself, one manifold gasket, two bolts, and two nuts, providing all necessary hardware for installation. Note that this product does not include a heat shield.

Compatible Ford Models and Applications

This exhaust manifold is compatible with a range of Ford vehicles, including the E-350 Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty. It is designed to meet the OEM specifications for these models, ensuring proper fit and function.

Common Issues Addressed by This Exhaust Manifold

• Exhaust leaks caused by cracked or warped manifolds
• Reduced engine performance due to exhaust backpressure
• Excessive engine noise from damaged exhaust components
• Failed emissions tests related to exhaust system integrity
• Corrosion or rust damage compromising exhaust flow

Installation Notes and Tips

Before installation, ensure the engine is cool to prevent burns. Remove the old manifold carefully, inspecting the exhaust ports and surrounding areas for damage or debris. Use the included gasket and hardware to secure the new manifold, tightening bolts to manufacturer torque specifications. It is recommended to check for exhaust leaks after installation and retighten bolts if necessary once the manifold has heated and cooled.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-745 part is backed by Dorman's quality assurance processes, ensuring reliable performance. Warranty coverage details can be obtained from Dorman or the product documentation, typically covering defects in materials and workmanship.