Dorman 674-840 Exhaust Manifold - Right

Durable Cast Iron Exhaust Manifold for Dodge Vehicles

The Dorman 674-840 exhaust manifold is engineered to provide reliable exhaust flow for Dodge Dakota, Durango, and Ram 1500 models. Constructed from cast iron with a natural finish, this exhaust manifold offers durability and consistent performance for your vehicle's exhaust system.

• Made from durable cast iron material
• Natural color finish for corrosion resistance
• Irregular port shape designed for specific fitment
• Includes mounting hardware for straightforward installation
• Comes with exhaust manifold gasket and flange
• Heat shield included to protect surrounding components
• Compatible with Dodge Dakota, Durango, and Ram 1500

Product Details and Specifications

The Dorman 674-840 exhaust manifold is a regular grade replacement part designed to restore proper exhaust flow and reduce emissions in compatible Dodge vehicles. Its cast iron construction ensures long-lasting strength and heat resistance, while the included heat shield helps protect adjacent engine components from excessive heat. The irregular port shape is tailored to match the exhaust ports on the cylinder head, ensuring a secure and efficient seal. This manifold comes complete with all necessary mounting hardware, including a gasket, flange, studs, and nuts, simplifying the installation process.

Compatible Dodge Models and Applications

This exhaust manifold is specifically compatible with the following Dodge models:

• Dodge Dakota
• Dodge Durango
• Dodge Ram 1500

Using the correct exhaust manifold like the Dorman 674-840 helps maintain engine efficiency and reduces exhaust leaks.

Common Issues Addressed by This Exhaust Manifold

• Exhaust leaks causing noise and reduced engine performance
• Cracked or warped manifolds due to heat stress
• Failed or missing heat shields leading to heat damage
• Corroded or damaged mounting hardware
• Improper exhaust flow affecting emissions and fuel economy

Installation Notes and Tips

Installation of the Dorman 674-840 exhaust manifold includes the following considerations:

• Ensure the engine is cool before beginning installation
• Use the included gasket and flange to prevent exhaust leaks
• Tighten mounting hardware to manufacturer torque specifications
• Inspect surrounding components for heat damage before installation
• Verify compatibility with your specific Dodge Dakota, Durango, or Ram 1500 model year

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit and function. The 674-840 part number undergoes rigorous quality control to ensure durability and performance. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in your replacement part.