Dorman 674-447 Exhaust Manifold - Left

Dorman 674-447 Exhaust Manifold for Ford Ranger

Dorman 674-447 is a cast iron exhaust manifold built to match the original fit and function on specified vehicles. It includes the manifold gasket and downpipe hardware needed for a complete repair, making it a direct replacement for the left-side exhaust manifold on select Ford Ranger and Mazda B3000 applications.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish with a round port shape
• Includes gasket and mounting hardware
• OE-style replacement for the left exhaust manifold
• Part number 674-447 for easy identification

Detailed Description

This Dorman exhaust manifold is precision-engineered to match the fit and function of the original manifold on specified vehicles. It is designed for the left side and is compatible with 2001-2008 Ford Ranger, left, 2002-2008 Mazda B3000, left, and 2001 Mazda B3000, left, from 8/06/01. The cast iron body supports long-term exhaust durability, while the included gasket and downpipe hardware help complete the repair with the correct sealing components. If you are replacing a cracked or leaking manifold on a Ford Ranger or Mazda B3000, Dorman 674-447 provides a direct-fit service part for the listed applications.

This part cross-references ATP 101227 for the same application.

Common Repair Reasons

• Exhaust leak at the manifold flange
• Cracked or warped manifold housing
• Broken or missing mounting studs
• Noise from the left side of the exhaust system
• Failed gasket sealing at the cylinder head

Installation Notes and Tips

Verify left-side fitment before installation and confirm the vehicle year, engine configuration, and build date where noted. Inspect the cylinder head sealing surface and downpipe connection for damage before assembly. Replace worn fasteners and clean all mating surfaces to support proper sealing on Ford Ranger and Mazda B3000 exhaust manifold repairs.

Quality Assurance

Dorman manufactures this manifold as a regular-grade replacement part engineered to match original fit and function on the listed vehicles. The package contents include the exhaust manifold, one manifold gasket, and two studs for the specified repair.