Dorman 674-690 Exhaust Manifold - Right

Durable Cast Iron Exhaust Manifold for Ford Expedition and F-150

The Dorman 674-690 exhaust manifold is engineered to provide reliable exhaust flow for Ford Expedition and F-150 models. Constructed from cast iron with a natural finish, this exhaust manifold offers durability and consistent performance for your vehicle's exhaust system.

• Material: Cast iron for strength and heat resistance
• Color: Natural finish
• Port Shape: Round ports for efficient exhaust flow
• Mounting Hardware Included: Yes, includes studs and nuts
• Gasket Included: Yes, one manifold gasket included
• Package Contents: Exhaust manifold, 1 gasket, 2 studs, 2 nuts
• Grade Type: Regular
• Heat Shield: Not included

Product Details and Specifications

This Dorman exhaust manifold (part number 674-690) is designed specifically for Ford Expedition and F-150 vehicles, ensuring proper fit and function. The cast iron construction provides excellent resistance to high temperatures and corrosion, which is essential for maintaining exhaust system integrity. The round port shape optimizes exhaust gas flow, helping to maintain engine efficiency and reduce backpressure. Included mounting hardware and gasket simplify installation, reducing the need for additional parts.

Compatible Vehicles and Applications

This exhaust manifold is compatible with the following Ford models:

• Ford Expedition
• Ford F-150

It is ideal for replacing worn or damaged exhaust manifolds that cause exhaust leaks, poor engine performance, or increased emissions.

Common Issues Addressed by This Exhaust Manifold

• Exhaust leaks due to cracked or warped manifolds
• Reduced engine performance from restricted exhaust flow
• Increased engine noise caused by manifold damage
• Failed emissions tests related to exhaust system leaks
• Corrosion and rust compromising manifold integrity

Installation Notes and Tips

Installation of the Dorman 674-690 exhaust manifold includes the necessary gasket, studs, and nuts for a secure fit. It is recommended to clean the mounting surface thoroughly before installation to ensure a proper seal. Torque specifications should be followed according to Ford service guidelines to prevent leaks or damage. Since the heat shield is not included, verify if your vehicle requires a separate heat shield and install accordingly.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-690 part undergoes quality inspections to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.