Dorman 674-919 Exhaust Manifold - Front

Durable Cast Iron Exhaust Manifold for GM Vehicles

The Dorman 674-919 exhaust manifold is engineered to provide reliable exhaust flow for select Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models. Designed with cast iron construction and a natural finish, this manifold offers durability and heat resistance for consistent engine performance.

• Constructed from durable cast iron material
• Natural color finish for corrosion resistance
• Irregular port shape designed for specific engine fitment
• Includes exhaust manifold, gasket, flange, 4 studs, and 4 nuts
• Heat shield included to protect surrounding components
• Regular grade type for standard performance requirements

Product Details and Specifications

The Dorman 674-919 exhaust manifold is crafted from cast iron, a material known for its strength and ability to withstand high temperatures generated by engine exhaust gases. Its natural color finish helps resist corrosion over time. The manifold features an irregular port shape tailored to match the exhaust ports of compatible engines, ensuring proper sealing and exhaust flow. This part comes complete with a heat shield to reduce heat transfer to nearby engine components, as well as a gasket and flange to secure a tight seal. The included mounting hardware simplifies installation and ensures a secure fit.

Compatible Vehicles and Applications

This exhaust manifold is compatible with a range of General Motors vehicles, including Buick Alero and Century, Chevrolet Impala, Monte Carlo, Montana, Relay, Uplander, and Silhouette, Oldsmobile Silhouette, Pontiac Aztek, Grand Am, Rendezvous, Terraza, and Saturn Vue models. The Dorman 674-919 is designed to meet the exhaust system requirements of these vehicles, providing a direct replacement for worn or damaged manifolds.

• Replaces cracked or leaking exhaust manifolds
• Addresses exhaust leaks causing engine noise or poor performance
• Helps restore proper exhaust flow and emissions control
• Prevents heat damage to surrounding engine components
• Improves engine efficiency by maintaining exhaust system integrity

Installation Notes and Tips

When installing the Dorman 674-919 exhaust manifold, ensure all old gasket material is thoroughly cleaned from the mounting surface to prevent leaks. Use the included gasket and flange for a proper seal. Tighten the mounting hardware evenly and to manufacturer torque specifications to avoid warping the manifold. The included heat shield should be positioned correctly to protect adjacent components from excessive heat.

Quality Assurance and Warranty

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-919 part number undergoes rigorous quality control to ensure durability and performance. This product includes a limited warranty against defects in materials and workmanship, providing confidence in its long-term reliability.