OE Quality
60-Day Returns

Standard Ignition ECK23 Exhaust Gas Recirculation (EGR) Cooler
Standard Ignition ECK23 EGR Cooler
The Standard Ignition ECK23 is a metal exhaust gas recirculation cooler built for direct-fit service on select heavy-duty GM diesel applications. It is listed for 2011-2014 Chevrolet Silverado 2500 HD and Silverado 3500 HD, as well as 2011-2014 GMC Sierra 2500 HD and Sierra 3500 HD with a curved coolant outlet.
Key Features
- Exhaust Gas Recirculation (EGR) cooler for emission control service
- Metal construction with a silver finish
- Standard grade replacement part
- Gasket or seal not included
- Gaskets not included
- Hardware not included
- Fits applications with a curved coolant outlet
- Standard Ignition ECK23 part number for ordering and cross-reference
Fitment Details
- Fits 2011-2014 Chevrolet Silverado 2500 HD, w/ Curved Coolant Outlet
- Fits 2011-2014 Chevrolet Silverado 3500 HD, w/ Curved Coolant Outlet
- Fits 2011-2014 GMC Sierra 2500 HD, w/ Curved Coolant Outlet
- Fits 2011-2014 GMC Sierra 3500 HD, w/ Curved Coolant Outlet
This part cross-references 800-97021 and 12635704 for the same application. The Standard Ignition ECK23 is also referenced by DEK23 and EGC107.
What It Is Used For
- Replacing a leaking or restricted EGR cooler
- Restoring exhaust gas recirculation flow in diesel emission systems
- Addressing coolant-to-EGR heat exchange concerns
- Supporting repair of EGR-related fault codes on Silverado and Sierra HD trucks
- Servicing curved coolant outlet configurations on compatible GM heavy-duty models
Installation Notes and Tips
Confirm the vehicle has the curved coolant outlet configuration before ordering. Compare the original cooler, mounting points, and line routing to the Standard Ignition ECK23, and transfer or source any required gaskets and seals separately since they are not included. The part number ECK23 should be matched to the vehicle identification and existing emission-control layout before installation.
Quality Assurance
Standard Ignition supplies this EGR cooler as a standard-grade replacement component for emission control repair work. Verify fitment against the listed Silverado HD and Sierra HD applications and the curved coolant outlet requirement before installation.
| Brand | Standard Ignition |
|---|---|
| Part Number | ECK23 |
| Content | Egr cooler |
| Gasket or Seal Included | No |
| Gaskets Included | No |
| Grade Type | Standard |
| Hardware Included | No |
| Material | Metal |
| Part Finish | Silver |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2014 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2014 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2014 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2013 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2013 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2013 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2013 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2012 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2012 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2012 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2012 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2011 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2011 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2011 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
| 2011 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | w/ Curved Coolant Outlet |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.