Dorman 904-938 EGR Cooler

Durable Stainless Steel EGR Cooler for Chevrolet and GMC Vans

The Dorman 904-938 Exhaust Gas Recirculation (EGR) Cooler is engineered specifically for Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. Constructed from stainless steel with a fin-type heat exchanger, this EGR cooler ensures reliable emission control and efficient exhaust gas cooling.

• Material: Stainless steel construction for corrosion resistance
• Color: Silver finish
• Flanged ends on both sides for secure mounting
• Includes 7 gaskets and seals for proper installation
• Overall dimensions: 15.5" length, 8.5" height, 3.5" width
• Specific fit for Chevrolet Express and GMC Savana 2500/3500 models
• CARB certified for compliance with California emission standards
• Mounting hole configuration: 5 holes on End 1, 2 holes on End 2
• Port diameters: 2.54" (End 1 inside), 0.52" (End 2 inside), 2.63" outlet inside diameter

Product Details and Specifications

The Dorman 904-938 EGR cooler features a fin-type heat exchanger designed to efficiently reduce exhaust gas temperatures before recirculation into the engine. Both ends are flanged, providing a secure and leak-resistant connection. The cooler comes with all necessary gaskets and seals to ensure a proper fit and prevent exhaust leaks. Its stainless steel construction offers durability and resistance to corrosion, which is critical for long-term performance in emission control systems. The cooler’s specific fitment to Chevrolet Express 2500/3500 and GMC Savana 2500/3500 models guarantees compatibility and ease of installation.

Common Applications and Problem Resolution

• Reduces exhaust gas temperature to prevent engine overheating
• Helps maintain proper EGR system function to reduce NOx emissions
• Addresses issues related to clogged or damaged EGR coolers
• Prevents exhaust leaks caused by worn or missing gaskets
• Supports compliance with emission regulations, including CARB standards

Installation Notes and Tips

Installation of the Dorman 904-938 EGR cooler requires removal of the old cooler and careful cleaning of mounting surfaces. Use the included gaskets and seals to ensure a tight, leak-free fit. Verify that the flanged ends align correctly with the exhaust ports and that all mounting holes are securely fastened. It is recommended to inspect related EGR components during installation to ensure overall system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications. The 904-938 EGR cooler is CARB certified, ensuring compliance with stringent emission standards. This part includes a limited warranty covering defects in material and workmanship, providing confidence in its durability and performance for Chevrolet Express and GMC Savana vehicles.