Dorman 674-602 Exhaust Manifold

Durable Cast Iron Exhaust Manifold for Dodge Ram 2500 and 3500

The Dorman 674-602 exhaust manifold is engineered to provide reliable exhaust flow management for Dodge Ram 2500 and Ram 3500 trucks. Constructed from cast iron with a natural finish, this exhaust manifold offers durability and consistent performance for your heavy-duty vehicle.

Key Features of the Dorman 674-602 Exhaust Manifold

• Material: Heavy-duty cast iron for long-lasting strength
• Color: Natural finish to resist corrosion
• Port Shape: Round ports designed for efficient exhaust flow
• Mounting Hardware Included: Comes with bolts for straightforward installation
• Gasket or Seal Included: Includes 6 manifold gaskets and 1 flange gasket to ensure a proper seal
• Grade Type: Regular grade suitable for standard replacement needs

Detailed Description of the Exhaust Manifold

This Dorman exhaust manifold (part number 674-602) is specifically designed for Dodge Ram 2500 and Ram 3500 models, ensuring compatibility and proper fitment. The cast iron construction provides resistance to high temperatures and thermal cycling, which is critical for exhaust components. The round port shape facilitates smooth exhaust gas flow, helping maintain engine efficiency. Included mounting hardware and gaskets simplify the replacement process, reducing installation time and potential leaks.

Common Applications and Issues Addressed

• Replacement for cracked or warped exhaust manifolds causing exhaust leaks
• Fixes manifold gasket failures that lead to exhaust noise or fumes entering the cabin
• Restores proper exhaust flow to improve engine performance and emissions
• Addresses mounting hardware corrosion or damage preventing secure manifold attachment
• Suitable for routine maintenance or repair on Dodge Ram 2500 and 3500 trucks

Installation Notes and Tips

When installing the Dorman 674-602 exhaust manifold, ensure all old gasket material is fully removed to prevent leaks. Use the included gaskets and bolts to secure the manifold, tightening bolts in a cross pattern to manufacturer torque specifications. It is recommended to inspect the exhaust ports and surrounding components for damage or corrosion before installation. Proper installation will help maintain exhaust system integrity and vehicle performance.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit and function. The 674-602 part is backed by Dorman's quality assurance processes to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship for replacement parts.