Dorman 904-388 Exhaust Gas Recirculation (EGR) Cooler

Durable Stainless Steel EGR Cooler for Dodge Ram Models

The Dorman 904-388 Exhaust Gas Recirculation (EGR) Cooler is engineered specifically for Dodge Ram 2500, 3500, and 4000 series trucks. Constructed from stainless steel with a metallic gray finish, this EGR cooler offers reliable performance and corrosion resistance for emission control systems.

• Made from high-quality stainless steel for durability and corrosion resistance
• Flanged (embridado) ends with one mounting hole each for secure installation
• Specific fitment for Dodge Ram 2500, 3500, and 4000 models
• Includes gasket or seal for proper sealing and leak prevention
• CARB certified to meet California Air Resources Board emission standards
• Overall height of 19 inches with precise port diameters (42.42 mm and 32 mm)

Product Details and Specifications

The Dorman 904-388 EGR cooler is designed as a standard replacement part, ensuring compatibility and performance equivalent to the original equipment. Its stainless steel construction withstands high temperatures and corrosive exhaust gases, extending the service life of the emission control system. The metallic gray finish provides additional protection against environmental factors. Both ends of the cooler feature flanged connections with one mounting hole each, facilitating a secure and leak-free fit. The inside port diameters are 42.42 mm on one end and 32 mm on the other, matching the specific requirements of the Dodge Ram models it serves. This part does not require additional gaskets or seals beyond those included, simplifying installation.

Compatible Vehicles and Applications

• Dodge Ram 2500
• Dodge Ram 3500
• Dodge Ram 4000

This EGR cooler is intended for use in emission control systems to reduce nitrogen oxide (NOx) emissions by cooling exhaust gases before recirculation. It addresses common issues such as:

• Overheating of the EGR system
• Reduced engine performance due to faulty EGR cooling
• Excessive exhaust emissions failing regulatory standards
• Corrosion or damage to the original EGR cooler
• Leaks causing loss of exhaust gas pressure

Installation Notes and Tips

Installation of the Dorman 904-388 EGR cooler requires attention to the flanged end connections and mounting holes to ensure a secure fit. Since the gasket or seal is included, verify that it is properly seated to prevent leaks. It is recommended to inspect related hoses and connections during installation for wear or damage. Proper torque specifications should be followed to avoid warping or damage to the cooler.

Quality Assurance and Certification

This EGR cooler is CARB certified, meeting California Air Resources Board standards for emission control components. Manufactured by Dorman, a recognized supplier of automotive replacement parts, the 904-388 model is built to meet or exceed OEM specifications. While specific warranty details are not provided, Dorman parts typically come with a limited warranty covering defects in materials and workmanship.