Dorman 674-904 Exhaust Manifold - Left

Dorman 674-904 Left Exhaust Manifold

This Dorman exhaust manifold is precision-engineered to match the fit and function of the original manifold on specified vehicles. Built from cast iron with a natural finish, it is made for a direct repair on the left side of select Ford, Lincoln, and Mercury full-size sedans, including Crown Victoria, Town Car, and Grand Marquis applications.

• Cast iron construction for durable exhaust service
• Natural finish with round port shape
• Heat shield included
• Gasket or seal included for repair completion
• Mounting hardware included
• Package contents: exhaust manifold, manifold gasket, studs, and nuts

Fitment and Application Details

Compatible with left-side exhaust manifold replacement on 2003-2011 Ford Crown Victoria, 2003-2011 Lincoln Town Car, and 2003-2011 Mercury Grand Marquis. This Dorman 674-904 is also listed for 2003-2004 Ford Grand Marquis left-side applications. It cross-references ATP 101456 for the same application.

What This Manifold Helps Address

• Cracked or warped exhaust manifold housing
• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Broken or corroded manifold mounting points
• Noise from leaking exhaust gases on the left side
• Failed manifold gasket sealing during exhaust repair

Installation Notes

Verify left-side placement before installation and compare the port shape, mounting points, and included gasket against the removed part. Inspect the cylinder-head surface, studs, and fasteners for damage or corrosion before assembly. Use the included gasket and hardware during reinstallation to complete the repair on the specified Ford Crown Victoria, Lincoln Town Car, or Mercury Grand Marquis application.

Quality Assurance

Dorman manufactures this manifold to match original fit and function on listed vehicles. The cast iron construction, included heat shield, and repair hardware support a complete exhaust manifold replacement for the specified application.