Dorman 904-937 Exhaust Gas Recirculation (EGR) Cooler
OE Quality 60-Day Returns
Dorman

Dorman 904-937 Exhaust Gas Recirculation (EGR) Cooler

Brand Dorman 904-937
Material Stainless steel
Color Silver
End 1 Type Flanged
End 2 Type Flanged
Gasket Or Seal Required Yes
Overall Height 7.
Universal Or Specific Fit Specific
Grade Type Regular
Gasket Or Seal Included Yes
End 1 Mount Hole Quantity 4
End 2 Mount Hole Quantity 4
End 1 Inside Port Diameter 2.65
End 2 Inside Port Diameter 3.2
California Air Resources Board (CARB) Certified Yes
Mounting Hole Diameter 0.34
Overall Length 10
Overall Width 4.8
Flanged Yes
Heat Exchanger Type Tube
Outlet Inside Diameter (in) 4.33 in
Package Contents 1 cooler; 7 gaskets
Fits Chevrolet and GMC · 16 vehicles

OE-style fit and function. Engineered to match the original cooler’s performance and installation.

Stainless steel construction. Resists corrosion while handling exhaust heat and flow.

Gaskets included. Comes with seals for a complete replacement setup.

Cross-references 12645820 for the same application. See all 1.

$459.70Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $459.70
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Exhaust Gas Recirculation (EGR) Cooler options

Dorman 904-937 EGR Cooler for GM HD Diesel Trucks

Dorman 904-937 is a specific-fit exhaust gas recirculation (EGR) cooler for select Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD diesel applications. Built from stainless steel with flanged ends and included gaskets, it matches the original cooler’s fit and function for the listed vehicles.

Key Features

  • Stainless steel construction with a silver finish
  • Tube-style heat exchanger design
  • Flanged end connections for OE-style mounting
  • Specific fit for listed Chevrolet Silverado HD and GMC Sierra HD models
  • CARB certified for the covered applications
  • Includes gasket/seal components noted for the installation
  • Direct replacement part number: 904-937

Detailed Description

This EGR cooler is engineered to match the original equipment cooler used on 2013-2016 Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD trucks. The stainless steel body and tube heat exchanger design support exhaust gas cooling in the EGR system, while the flanged inlet and outlet connections help maintain proper alignment at the rear EGR bypass valve location. Dorman 904-937 also cross-references GM 12645820 for the same application.

Compatible With 2013-2014 Chevrolet Silverado 2500 HD and Silverado 3500 HD, rear EGR bypass valve location with straight coolant outlet fitting. Compatible With 2013-2014 GMC Sierra 2500 HD and Sierra 3500 HD, rear EGR bypass valve location with straight coolant outlet fitting. Compatible With 2015-2016 Chevrolet Silverado 2500 HD and Silverado 3500 HD, rear EGR bypass valve location. Compatible With 2015-2016 GMC Sierra 2500 HD and Sierra 3500 HD, rear EGR bypass valve location.

What This Part Helps Address

  • EGR cooler leakage from a worn or damaged cooler core
  • Exhaust gas temperature control issues in the EGR system
  • Coolant loss related to cooler failure
  • Check engine lights tied to EGR cooler performance faults
  • Fitment problems when replacing the original rear-mounted cooler

Installation Notes and Tips

Verify the vehicle’s year, make, model, and coolant outlet configuration before ordering. This part is a specific-fit replacement and is listed for rear EGR bypass valve applications on the covered GM HD trucks. The package contents include the cooler and the required gasket/seal components noted by the manufacturer. Confirm flange alignment, port diameter, and mounting-hole layout against the original unit during installation.

Quality Assurance

Dorman states that this EGR cooler was benchmarked against OEM specifications and tested for reliability to match the original part’s fit and function. It is CARB certified for the listed applications and built to OE-style requirements for the covered Chevrolet Silverado HD and GMC Sierra HD models.

Related reading

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2016ChevroletSilverado 2500 HD6.6LV8N/ATo EGR Bypass Valve At Rear
2016ChevroletSilverado 3500 HD6.6LV8N/ATo EGR Bypass Valve At Rear
2016GMCSierra 2500 HD6.6LV8N/ATo EGR Bypass Valve At Rear
2016GMCSierra 3500 HD6.6LV8N/ATo EGR Bypass Valve At Rear
2015ChevroletSilverado 2500 HD6.6LV8N/ATo EGR Bypass Valve At Rear
2015ChevroletSilverado 3500 HD6.6LV8N/ATo EGR Bypass Valve At Rear
2015GMCSierra 2500 HD6.6LV8N/ATo EGR Bypass Valve At Rear
2015GMCSierra 3500 HD6.6LV8N/ATo EGR Bypass Valve At Rear
2014ChevroletSilverado 2500 HD6.6LV8N/ATo EGR Bypass Valve At Rear; Straight Coolant Outlet Fitting
2014ChevroletSilverado 3500 HD6.6LV8N/ATo EGR Bypass Valve At Rear; Straight Coolant Outlet Fitting
2014GMCSierra 2500 HD6.6LV8N/ATo EGR Bypass Valve At Rear; Straight Coolant Outlet Fitting
2014GMCSierra 3500 HD6.6LV8N/ATo EGR Bypass Valve At Rear; Straight Coolant Outlet Fitting
2013ChevroletSilverado 2500 HD6.6LV8N/ATo EGR Bypass Valve At Rear; Straight Coolant Outlet Fitting
2013ChevroletSilverado 3500 HD6.6LV8N/ATo EGR Bypass Valve At Rear; Straight Coolant Outlet Fitting
2013GMCSierra 2500 HD6.6LV8N/ATo EGR Bypass Valve At Rear; Straight Coolant Outlet Fitting
2013GMCSierra 3500 HD6.6LV8N/ATo EGR Bypass Valve At Rear; Straight Coolant Outlet Fitting
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
12645820