Dorman 904-935 EGR Cooler

Dorman 904-935 EGR Cooler for Silverado and Sierra HD

Dorman 904-935 is a direct-fit exhaust gas recirculation cooler engineered for specific Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD applications. Built from stainless steel with flanged ends, it matches the original cooler’s fit and function for the listed vehicles.

Key Features

• Specific-fit EGR cooler for 2011-2016 Chevrolet Silverado 2500 HD and Silverado 3500 HD
• Specific-fit EGR cooler for 2011-2016 GMC Sierra 2500 HD and Sierra 3500 HD
• Stainless steel construction with a silver finish
• Tube-style heat exchanger design
• Flanged inlet and outlet connections for OE-style mounting
• Gaskets included; gasket or seal required for installation
• CARB certified for emissions-related applications where required
• OEM-benchmarked and tested for fit and function

Detailed Description

This Dorman EGR cooler, part number 904-935, is built for direct replacement on the listed heavy-duty GM trucks. It is engineered to match the original cooler’s dimensions and connection points, including flanged ends, 4 mounting holes on end 1, 2 mounting holes on end 2, and 1.97-inch inside port diameters at both ends. The stainless steel construction and tube heat exchanger design support consistent exhaust gas recirculation cooling performance in emissions control systems. This part cross-references Cardone Reman 4E-1005 and 12635707 for the same application.

What It Helps Address

• EGR cooler leakage from cracked or corroded internal passages
• Exhaust gas recirculation flow issues caused by a failing cooler
• Check engine light conditions related to EGR system performance
• Overheating or reduced cooling efficiency in the EGR circuit
• Fitment problems from worn or damaged OE cooler assemblies

Installation Notes and Tips

Compatible with 2011-2016 Chevrolet Silverado 2500 HD, 2011-2016 Chevrolet Silverado 3500 HD, 2011-2016 GMC Sierra 2500 HD, and 2011-2016 GMC Sierra 3500 HD, with notes indicating installation to the EGR valve at the front. Verify flange alignment, port diameter, and mounting-hole layout before installation. Replace all sealing surfaces as required and confirm the EGR system is clean and free of carbon buildup before reassembly.

Quality Assurance

Dorman 904-935 is backed by rigorous testing and OEM benchmarking to verify reliability and OE-style fitment. Its CARB certification supports emissions-related compliance where applicable.