Dorman 674-501 Exhaust Manifold - Left or Right

Dorman 674-501 Exhaust Manifold for Corvette

Dorman 674-501 is a cast iron exhaust manifold built to match the fit and function of the original part on specified Chevrolet Corvette applications. It includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair, making it a direct replacement for left or right side service where listed.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish with square port shape
• Includes gasket and seal components for the repair
• Mounting hardware included for installation
• Direct-fit replacement for specified Chevrolet Corvette applications
• Part number 674-501 for easy identification

Detailed Description

This Dorman exhaust manifold is precision-engineered to match the original fit and function on select Chevrolet Corvette models. It is designed for 1957, 1966-1968, 1969-1971, and 1972-1980 Corvette applications in the left or right position as listed, including 1972-1980 Chevrolet Corvette left and right, 1969-1971 Chevrolet Corvette right wo/Bracket, 1966-1968 Chevrolet Corvette left and right wo/Square Bracket, and 1957 Chevrolet Corvette left and right Exc. High Lift Cam. The cast iron body supports long-term exhaust durability, while the square port design helps maintain proper exhaust sealing and alignment. This part cross-references ATP 101060 for the same application.

Common Repair Applications

• Cracked or warped exhaust manifold on a Chevrolet Corvette
• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Broken or missing manifold mounting hardware
• Damaged flange connection at the downpipe interface
• Replacement needs for a worn OE-style Corvette exhaust manifold

Installation Notes and Tips

Verify engine-side fitment, position, and bracket requirements before installation. This manifold includes a manifold gasket, flange gasket, studs, nuts, and washers, which supports a complete repair at the manifold and downpipe connection. Confirm the application notes for your Corvette, including 1957 Exc. High Lift Cam and 1966-1968 wo/Square Bracket or 1969-1971 wo/Bracket listings, before beginning service.

Quality Assurance

Dorman manufactures this exhaust manifold to match original equipment fit and function on the specified Chevrolet Corvette applications. The part is built as a regular-grade replacement using cast iron construction and supplied with the sealing components and hardware called out in the product listing.