Dorman 674-893 Exhaust Manifold

Exhaust Manifold for Select GM Compact Models

Dorman 674-893 is a standard replacement exhaust manifold engineered to match the fit and function of the original part on select Chevrolet, Pontiac, and Saturn vehicles. It is built from cast stainless steel with an uncoated metallic gray finish and includes the gasket and downpipe hardware needed for a complete exhaust repair.

Key Features

• Cast stainless steel construction for durable exhaust service
• Uncoated metallic gray finish
• Round port shape with a 1.8 collector port diameter
• No oxygen sensor port
• Heat shield included
• Mounting hardware and gasket included
• 12 mounting holes for OE-style installation
• Standard replacement design for direct-fit service

Detailed Description

This Dorman exhaust manifold, part number 674-893, is built for direct replacement on applications such as the Chevrolet Cobalt, Chevrolet HHR, Pontiac G5, Saturn Ion, and Saturn Vue. It is precision-engineered to match the original manifold’s fit and function, helping restore proper exhaust routing on vehicles with EGR-port or California emissions configurations where listed. The cast stainless steel body and included heat shield support long-term exhaust durability in demanding underhood conditions.

This part cross-references 663388 and 12606689 for the same application.

What This Part Helps Address

• Exhaust leaks at the manifold
• Cracked or warped original manifold housing
• Broken mounting points or failed flange sealing
• Noise from escaping exhaust gases
• Loss of proper exhaust flow on affected Chevrolet Cobalt, HHR, Pontiac G5, and Saturn Ion applications

Installation Notes and Tips

Verify engine and emissions configuration before installation. This manifold is listed for 2004-2008 Saturn Ion, 2006-2008 Chevrolet HHR, 2006-2008 Chevrolet Cobalt, 2007-2008 Saturn Vue, 2008 Chevrolet Captiva Sport, and 2008 Pontiac G5 applications with the noted EGR or RPO-code requirements. Inspect the cylinder head sealing surface, fasteners, and downpipe connection before assembly, and replace any damaged mating components to support a proper seal.

Quality Assurance

Dorman manufactures this exhaust manifold as a standard replacement part engineered to match original fit and function on the specified vehicles. The cast stainless steel construction, included gasket, and included mounting hardware support a complete repair using OE-style specifications.