Dorman 57174 Exhaust Manifold Gasket and Hardware Kit - Left or Right

Exhaust Manifold Gasket Kit for Ford and Lincoln

Dorman 57174 is an exhaust manifold gasket and hardware kit built to restore the seal between the cylinder head and exhaust manifold on specified Ford, Lincoln, and Mercury vehicles. It is a direct-fit replacement for left- and right-side applications across multiple 2005-2014 models, including Ford F-150, Mustang, Explorer, Expedition, and Lincoln Navigator.

Key Features

• Matches original fit and function for the exhaust manifold connection
• Metal O-ring exhaust manifold gasket design with steel gasket material
• Kit fitment covers complete engine repair and both cylinder banks
• Exhaust manifold hardware uses M8 x 1.25 thread dimensions and 10.9 grade fasteners
• Exhaust flange hardware uses M10 x 1.5 thread dimensions and 10.9 grade fasteners
• Compatible with left and right side applications depending on vehicle listing
• Dorman part number 57174 for streamlined replacement lookup

Detailed Description

This Dorman exhaust manifold gasket and hardware kit is engineered to restore a secure connection at the exhaust manifold flange and cylinder head interface. The metal O-ring gasket construction is designed for a precise seal, while the included hardware follows the original thread sizes and lengths used on the listed applications. For buyers searching for an exhaust manifold gasket kit for a Ford F-150, Ford Explorer, or Lincoln Navigator, Dorman 57174 provides an OE-style repair solution for the specified left- and right-side fitments.

This part cross-references Ford OE numbers such as 9L3Z9448A and N811313S431 for the same application.

What It Is Used For

• Replacing a leaking exhaust manifold gasket
• Restoring a tight seal at the cylinder head and manifold joint
• Addressing exhaust noise from a failed manifold seal
• Correcting exhaust odor entering the engine bay
• Repairing damaged or corroded manifold fasteners during service

Installation Notes and Tips

Verify side-specific fitment before ordering, since this kit is listed for both left and right positions depending on year, make, and model. Confirm thread sizes and hardware lengths against the original components during installation. Clean the mating surfaces thoroughly before assembly to support proper sealing on Ford Expedition, Ford Mustang, Ford F-150, and related applications.

Quality Assurance

Dorman designs this kit to match the fit and function of the original components, helping restore the exhaust manifold connection on the specified vehicles. Part number 57174 is built for direct replacement use on the listed applications.