Dorman 674-518 Exhaust Manifold - Left

Dorman 674-518 Exhaust Manifold for Camaro and Firebird

This Dorman exhaust manifold is built for the left side of specified Chevrolet Camaro and Pontiac Firebird applications from 1987-1992. It is engineered to match original fit and function, with cast iron construction and the gaskets and downpipe hardware needed for a complete exhaust repair.

• Direct replacement exhaust manifold for the left side
• Cast iron construction for durability and heat resistance
• Natural finish with square port shape
• Includes manifold gasket, studs, nuts, and downpipe hardware
• Fits 1987-1992 Chevrolet Camaro, left
• Fits 1987-1992 Pontiac Firebird, left

Built for OE-Style Fitment

The Dorman 674-518 exhaust manifold is precision-engineered to match the original manifold on the listed vehicles. For owners servicing a 1987-1992 Chevrolet Camaro or 1987-1992 Pontiac Firebird, this left exhaust manifold provides the correct fitment profile and a repair-focused design that supports proper exhaust routing and sealing.

This part cross-references Monroe Shocks & Struts (e.g., 101259, 14094063) for the same application.

Common Repair Uses

• Cracked or warped exhaust manifold replacement
• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Broken or missing manifold mounting studs and nuts
• Damaged downpipe connection hardware
• Restoring exhaust flow on left-side applications for Camaro and Firebird

Installation Notes and Tips

Verify left-side fitment before installation and compare the port shape, mounting points, and gasket surface to the original part. Clean the mating surfaces thoroughly, inspect the cylinder head and downpipe flange for damage, and replace any worn fasteners or sealing surfaces as needed. Follow factory torque specifications during assembly to help ensure a proper seal.

Quality Assurance

Dorman manufactures this exhaust manifold to match the fit and function of the original part on the specified vehicles. The package includes the manifold gasket and mounting hardware listed in the product contents for a more complete repair.