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Dorman 904-5021 Exhaust Gas Recirculation (EGR) Cooler
| Brand | Dorman 904-5021 |
|---|---|
| Material | Stainless steel |
| Color | Natural |
| Overall Height | 5.5 |
| Universal Or Specific Fit | Specific |
| Gasket Or Seal Included | Yes |
| End 1 Inside Port Diameter | 1.28 |
| California Air Resources Board (CARB) Certified | Yes |
| Overall Length | 32 |
| Overall Width | 8.4 |
| Flanged | Yes |
| Outlet Inside Diameter (in) | 1.39 in |
| Package Contents | 1 egr cooler; 1 egr cooler gasket kit; 2 stainless steel pipes; 5 |
| Fits | — |
OE-style replacement. Engineered to match the fit and function of the original cooler.
Stainless steel construction. Built for durable, corrosion-resistant performance.
Gasket kit included. Comes with seals and stainless steel pipes for installation.
Cross-references 820.905091, 20527754 and EGR340 for the same application. See all 3.
Dorman 904-5021 EGR Cooler Overview
Dorman 904-5021 is a specific-fit exhaust gas recirculation (EGR) cooler engineered to match the original cooler’s fit and function on select vehicles. Built from stainless steel and CARB certified, it is designed for drivers and technicians servicing emission control systems on applications such as Chevrolet Silverado and GMC Sierra.
Key Features
- Specific-fit EGR cooler for select vehicle years, makes, and models
- Stainless steel construction for corrosion resistance in exhaust-gas service
- Flanged design with gasket or seal included for a proper service replacement
- CARB certified for emissions-related compliance on approved applications
- Overall dimensions: 32 in. long, 8.4 in. wide, 5.5 in. high
- Includes an EGR cooler gasket kit, stainless steel pipes, and clamps
Detailed Description
This Dorman EGR cooler, part number 904-5021, is engineered as a direct replacement for the original cooler on specific applications. It is built to match OE fit and function, and it has been tested against original equipment benchmarks to support reliable operation in the EGR system. The stainless steel body, flanged connections, and included gasket/seal help support a secure installation on compatible Chevrolet Silverado and GMC Sierra diesel applications. If you are replacing a leaking or restricted EGR cooler, 904-5021 provides a service-ready solution for emission control repair.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What This Part Helps Address
- EGR cooler leakage
- Restricted exhaust gas flow through the cooler
- Check engine light concerns related to EGR system performance
- Coolant loss caused by a failing cooler assembly
- Emission control service needs on select Chevrolet Silverado and GMC Sierra models
Installation Notes and Tips
Verify vehicle year, make, model, and engine-specific application before installation. Inspect mating surfaces, replace worn seals, and confirm all connections are clean and properly aligned before tightening the flanged joints. Because this is a specific-fit emission control component, confirm the original cooler configuration matches the replacement part number 904-5021.
Quality Assurance
Dorman 904-5021 has undergone rigorous testing and OEM benchmarking to help ensure dependable fit and function. Its CARB certification supports use on approved emissions applications where required.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||