Dorman 674-324 Exhaust Manifold - Right

Dorman 674-324 Exhaust Manifold for Ford F-150

Dorman 674-324 is a right exhaust manifold engineered to match the original fit and function on select Ford F-150 trucks. Built from cast iron with an uncoated grey finish, it is supplied as a standard replacement for 2015-2025 Ford F-150 right-side applications.

Key Features

• Direct replacement exhaust manifold for the right side
• Cast iron construction for durability in exhaust service
• Round port shape with a 4.6 collector port diameter
• Uncoated finish and grey color
• No oxygen sensor port
• Includes gasket/seal and mounting hardware for repair work
• Standard replacement grade for OE-style fit and function

Fitment and Application

Fits 2015-2025 Ford F-150, right. This part number 674-324 is built for the right-side exhaust manifold location on the Ford F-150 and cross-references Ford FL3Z9430B for the same application.

Detailed Description

This exhaust manifold is precision-engineered to match the original manifold on specified vehicles, helping restore proper exhaust routing at the cylinder head. The cast iron body and 0.125 tube wall thickness support long-term service in high-heat exhaust conditions, while the round port design and 10 mounting holes help maintain correct alignment during installation. Part number 674-324 is a practical OE-style replacement for Ford F-150 owners needing a right exhaust manifold service part.

What It Helps Address

• Exhaust leaks at the manifold-to-cylinder-head connection
• Cracked or warped original manifold housing
• Broken or missing manifold mounting points
• Damaged flange sealing surfaces
• Noise from a leaking right-side exhaust manifold

Installation Notes and Tips

Verify right-side placement before installation and compare the manifold, port layout, and mounting points to the original part. Clean the sealing surfaces thoroughly and inspect the downpipe connection hardware during repair. Use the included gaskets and mounting hardware as part of a complete exhaust manifold service on the Ford F-150.

Quality Assurance

Dorman manufactures this manifold as a standard replacement part engineered to match original fit and function on listed vehicles. The design and included service components support a complete repair on the specified Ford F-150 applications.