Dorman 674-570 Exhaust Manifold - Left

Dorman 674-570 Exhaust Manifold

This Dorman exhaust manifold is built for direct replacement on select Chevrolet, GMC, and Oldsmobile applications with an air pump. It is engineered to match the original fit and function, with cast iron construction, a natural finish, and included gasket and downpipe hardware for a complete exhaust repair.

Key Features

• Direct replacement exhaust manifold for specified vehicles
• Cast iron construction for durable exhaust service
• Natural finish with square port shape
• Includes gasket or seal and heat shield
• Mounting hardware included for the manifold installation
• Package contents: exhaust manifold, manifold gasket, flange, studs, and nuts

Detailed Description

Built for the left side on 1998-2001 Chevrolet Blazer, Chevrolet S10, GMC Jimmy, GMC Sonoma, and Oldsmobile Bravada with air pump equipment, this Dorman 674-570 exhaust manifold is shaped to align with the original exhaust routing and mounting points. The cast iron body helps provide the rigidity expected in a manifold replacement, while the included gasket, flange, studs, and nuts support a more complete repair. This part cross-references OE numbers 101291 and 12561164 for the same application.

For shoppers searching for a left exhaust manifold for 1998-2001 Chevrolet Blazer w/ Air Pump or a replacement exhaust manifold for 1998-2001 GMC Sonoma w/ Air Pump, Dorman 674-570 offers a direct-fit solution. It also serves as a replacement exhaust manifold for 1998-2001 GMC Jimmy and 1998-2001 Oldsmobile Bravada in the same left-side configuration.

Common Repair Uses

• Replacing a cracked or leaking exhaust manifold
• Restoring proper exhaust sealing at the cylinder head
• Addressing exhaust noise from manifold failure
• Repairing damaged flange or stud mounting points
• Restoring exhaust flow on air-pump-equipped vehicles

Installation Notes

Verify left-side placement and air pump configuration before ordering. Inspect the cylinder head sealing surface, fasteners, and adjoining exhaust components during installation. Use the included gasket and hardware during assembly, and follow the vehicle service procedure for torque sequence and heat shield positioning.

Quality Assurance

Dorman manufactures this manifold as a direct replacement part for specified applications, with fit and function matched to the original component. The cast iron construction and included installation components support a complete exhaust manifold repair on compatible Chevrolet, GMC, and Oldsmobile vehicles.