Dorman 674-912 Exhaust Manifold - Left

OE-Style Exhaust Manifold for Jeep Left Side

This Dorman exhaust manifold is engineered to match the fit and function of the original part on specified vehicles. Built from cast iron with a natural finish, it is made for left-side service on 2005-2007 Jeep Grand Cherokee and 2006-2007 Jeep Commander applications.

Part number 674-912 includes the manifold gasket and downpipe hardware needed for a complete repair. It also includes a heat shield to help restore the original exhaust manifold setup on the vehicle.

Key Features

• Cast iron construction for exhaust manifold service
• Natural finish with irregular port shape
• Includes gasket, heat shield, and mounting hardware
• Direct replacement layout for specified Jeep applications
• Part number 674-912 for easy identification

Detailed Description

Dorman 674-912 is a left exhaust manifold designed for 2005-2007 Jeep Grand Cherokee and 2006-2007 Jeep Commander models. It is precision-engineered to match the original manifold’s fit and function, making it a practical choice for replacing a cracked, warped, or leaking manifold on the driver-side exhaust path. The cast iron construction supports durability in high-heat exhaust service, while the included gasket and downpipe hardware help complete the repair with the correct related components. If you are searching for a Jeep Grand Cherokee left exhaust manifold or a Jeep Commander left exhaust manifold, 674-912 is built for those exact applications.

This part cross-references ATP 101500 for the same application.

What It Helps Fix

• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Cracks or warping in the original left exhaust manifold
• Broken or missing manifold-to-downpipe connection hardware
• Noise from a leaking exhaust manifold on Jeep Grand Cherokee or Jeep Commander
• Failed sealing components that can trigger exhaust odor or performance concerns

Installation Notes and Tips

Verify left-side fitment before installation on 2005-2007 Jeep Grand Cherokee and 2006-2007 Jeep Commander models. Inspect the cylinder-head surface, exhaust flange, and fastener threads before assembly. Replace damaged sealing surfaces and follow factory torque specifications during installation. Confirm that the heat shield and included gasket are positioned correctly before tightening the manifold.

Quality Assurance

This Dorman exhaust manifold is manufactured to match original equipment fit and function for the listed Jeep applications. Part number 674-912 is built as a regular-grade replacement for direct repair service.