Dorman 674-269 Exhaust Manifold - Rear

Durable Cast Iron Exhaust Manifold for GM Vehicles

The Dorman 674-269 exhaust manifold is engineered to provide reliable exhaust flow for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Constructed from cast iron with a natural finish, this exhaust manifold offers durability and consistent performance for vehicles like the Buick Century and Chevrolet Lumina.

• Made from durable cast iron material
• Natural color finish for corrosion resistance
• Irregular port shape designed for specific engine fitment
• Includes exhaust manifold gasket, flange, bolts, and springs
• Compatible with Buick Century, Chevrolet Monte Carlo, Oldsmobile Cutlass Ciera, Pontiac Grand Prix, and other models

Product Details and Specifications

The Dorman 674-269 exhaust manifold is crafted from cast iron, providing strength and heat resistance necessary for efficient exhaust gas flow. Its irregular port shape is tailored to match the exhaust ports of compatible GM engines, ensuring proper sealing and exhaust evacuation. The natural color finish helps resist rust and corrosion over time. This manifold comes with essential mounting hardware including a gasket, flange, bolts, and springs to facilitate installation and maintain a secure fit.

Compatible Vehicles and Applications

This exhaust manifold is compatible with a range of General Motors vehicles, including:

• Buick Century and Regal
• Chevrolet Lumina and Monte Carlo
• Oldsmobile Cutlass Ciera and Cutlass Supreme
• Pontiac Grand Prix

It is designed to replace worn or damaged exhaust manifolds in these models, restoring proper exhaust flow and engine performance.

Common Issues Addressed by This Exhaust Manifold

• Exhaust leaks causing noise and reduced engine efficiency
• Cracked or warped manifolds leading to poor exhaust flow
• Failed gasket seals resulting in exhaust fumes entering the cabin
• Corrosion damage from prolonged exposure to heat and moisture
• Replacement of worn or damaged mounting hardware

Installation Notes and Tips

When installing the Dorman 674-269 exhaust manifold, ensure all old gasket material is thoroughly cleaned from the mounting surface to prevent leaks. Use the included gasket and hardware to secure the manifold firmly. Torque bolts to manufacturer specifications to avoid warping. It is recommended to inspect related exhaust components for wear during installation.

Quality Assurance and Warranty

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit and function. The 674-269 part is backed by Dorman's quality assurance processes to ensure durability and performance. Please refer to Dorman's warranty policy for specific coverage details.