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Dorman 904-388 Exhaust Gas Recirculation (EGR) Cooler
| Brand | Dorman 904-388 |
|---|---|
| Material | Acero inoxidable |
| Material | Stainless steel |
| Color | Gris metálico |
| Color | Metallic gray |
| End 1 Type | Embridado |
| End 1 Type | Flanged |
| End 2 Type | Embridado |
| End 2 Type | Flanged |
| Gasket Or Seal Required | No |
| Gasket Or Seal Required | Non |
| Overall Height | 19 |
| Universal Or Specific Fit | Específico |
| Universal Or Specific Fit | Specific |
| Grade Type | Reemplazo estándar |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | Oui |
| Gasket Or Seal Included | Sí |
| Gasket Or Seal Included | Yes |
| End 1 Mount Hole Quantity | 1 |
| End 1 Mount Hole Quantity | 1 ensamble de manguera del calentador |
| End 2 Mount Hole Quantity | 1 |
| End 2 Mount Hole Quantity | 1 ensamble de manguera del calentador |
| End 1 Inside Port Diameter | 42.42 |
| End 2 Inside Port Diameter | 32 |
| California Air Resources Board (CARB) Certified | Oui |
| California Air Resources Board (CARB) Certified | Sí |
| California Air Resources Board (CARB) Certified | Yes |
| Mounting Hole Diameter | 0.375 |
| Contenidos del paquete | 1 enfriador egr |
| Diámetro interior de la entrada (in) | 1.62 in. |
| Fits | Dodge and Ram · 32 vehicles |
Standard replacement. Matches the fit and function of the original cooler.
Stainless steel construction. Resists corrosion in demanding exhaust systems.
Fin heat exchanger. Promotes efficient heat transfer for EGR flow.
Cross-references Mopar 68048988AA, Standard Ignition ECK16 and 4E3001 for the same application. See all 10.
EGR Cooler for Ram Heavy-Duty Applications
This Dorman EGR cooler is a specific-fit replacement for select Ram diesel applications, engineered to match the original cooler’s fit and function. Part number 904-388 is built for direct replacement use on Ram 2500, Ram 3500, Ram 4000, and Dodge Ram 3500 models listed below.
- Specific-fit EGR cooler for confirmed Ram and Dodge Ram applications
- Stainless steel construction with metallic gray finish
- Flanged end connections for OE-style mounting
- Fin-style heat exchanger design
- Gasket or seal included
- CARB certified
- Standard replacement grade
Fitment Details
- Fits 2013-2024 Ram 2500, N/A
- Fits 2011-2024 Ram 3500, N/A
- Fits 2011-2012 Ram 4000, N/A
- Fits 2007-2010 Dodge Ram 3500, N/A
Product Overview
Dorman 904-388 is an exhaust gas recirculation cooler built to replace the original unit on specific Ram diesel trucks. It uses stainless steel construction, flanged inlet and outlet connections, and a fin-type heat exchanger to match OE-style packaging and service requirements. The cooler is CARB certified and includes a gasket or seal, making it a direct-fit option for emissions-related repair work on Ram 2500 and Ram 3500 platforms, as well as select Ram 4000 and Dodge Ram 3500 applications.
This part cross-references Mopar 68048988AA and Standard Ignition ECK16 for the same application.
Common Problems This Part Addresses
- Failed EGR cooler causing exhaust gas recirculation system faults
- Coolant leakage at the cooler assembly
- Restricted exhaust gas flow through a damaged cooler core
- Emissions-related warning lights tied to EGR cooler performance
- OE cooler replacement needs on Ram diesel trucks
Installation Notes and Tips
Verify engine and model-year fitment before installation, since this cooler is application-specific. Inspect the mating surfaces and related EGR system components during service, and confirm the flanged connections align with the original mounting points. Because a gasket or seal is included, confirm the sealing surfaces are clean and undamaged before assembly.
Quality Assurance
Dorman engineered this EGR cooler to match the original part’s fit and function, and it was tested against OEM benchmarks for reliability. Part number 904-388 is built as a standard replacement for confirmed Ram and Dodge Ram applications.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2024 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2024 | Ram | 3500 | — | 6.7L | L6 | N/A | — |
| 2023 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2023 | Ram | 3500 | — | 6.7L | L6 | N/A | — |
| 2022 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2022 | Ram | 3500 | — | 6.7L | L6 | N/A | — |
| 2021 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2021 | Ram | 3500 | — | 6.7L | L6 | N/A | — |
| 2020 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2020 | Ram | 3500 | — | 6.7L | L6 | N/A | — |
| 2019 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2019 | Ram | 3500 | — | 6.7L | L6 | N/A | — |
| 2018 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2018 | Ram | 3500 | Standard Cab Pickup | 6.7L | L6 | N/A | — |
| 2017 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2017 | Ram | 3500 | Standard Cab Pickup | 6.7L | L6 | N/A | — |
| 2016 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2016 | Ram | 3500 | Standard Cab Pickup | 6.7L | L6 | N/A | — |
| 2015 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2015 | Ram | 3500 | Standard Cab Pickup | 6.7L | L6 | N/A | — |
| 2014 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2014 | Ram | 3500 | Standard Cab Pickup | 6.7L | L6 | N/A | — |
| 2013 | Ram | 2500 | — | 6.7L | L6 | N/A | — |
| 2013 | Ram | 3500 | Standard Cab Pickup | 6.7L | L6 | N/A | — |
| 2012 | Ram | 3500 | Cab & Chassis | 6.7L | L6 | N/A | — |
| 2012 | Ram | 4000 | — | 6.7L | L6 | N/A | — |
| 2011 | Ram | 3500 | Cab & Chassis | 6.7L | L6 | N/A | — |
| 2011 | Ram | 4000 | — | 6.7L | L6 | N/A | — |
| 2010 | Dodge | Ram 3500 | Cab & Chassis | 6.7L | L6 | N/A | — |
| 2009 | Dodge | Ram 3500 | Cab & Chassis | 6.7L | L6 | N/A | — |
| 2008 | Dodge | Ram 3500 | Cab & Chassis | 6.7L | L6 | N/A | — |
| 2007 | Dodge | Ram 3500 | Cab & Chassis | 6.7L | L6 | N/A | — |
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