Dorman 674-919 Exhaust Manifold - Front

Dorman 674-919 Exhaust Manifold

Dorman 674-919 is a cast iron exhaust manifold engineered to match the fit and function of the original part on specified vehicles. It includes the gasket, flange, heat shield, and mounting hardware needed for a complete front exhaust manifold repair.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish with irregular port shape
• Includes gasket or seal, heat shield, and mounting hardware
• Built to match original fit and function on listed applications
• Package contents: exhaust manifold, manifold gasket and flange, studs, and nuts

Detailed Description

This exhaust manifold is a direct replacement for front-position applications on select Buick, Chevrolet, Pontiac, Oldsmobile, and Saturn vehicles. It is designed for vehicles such as the 2004-2007 Buick Rendezvous, 2004-2005 Chevrolet Impala, and 2005-2006 Saturn Relay, making it a practical choice when replacing a cracked, leaking, or warped manifold. Part number 674-919 is also cross-referenced to 101540 and 12568405 for the same application.

Built from cast iron, this manifold is intended to restore proper exhaust routing and sealing at the cylinder head. The included gasket, flange, heat shield, studs, and nuts support a complete front exhaust manifold repair on compatible Buick Rendezvous, Chevrolet Uplander, and Pontiac Montana applications.

What It Helps Fix

• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Cracks or warping in the original front exhaust manifold
• Broken or missing manifold studs and nuts
• Noise from leaking exhaust gases near the engine bay
• Heat-related damage around the manifold area

Installation Notes and Tips

Verify engine and front-position fitment before installation. Inspect the cylinder-head sealing surface, exhaust flange, and fastener threads for damage before assembly. Replace any worn mating components and follow the vehicle service procedure for torque sequence and heat shield placement. Confirm the application against the listed fitment for 2004-2007 Buick Rendezvous, 2005-2006 Chevrolet Uplander, and 2004-2005 Pontiac Grand Am before ordering.

Quality Assurance

Dorman manufactures this manifold to match original fit and function on specified vehicles. The cast iron construction, included sealing components, and application-specific hardware support a repair that aligns with OE-style requirements for front exhaust manifold replacement.