OE Quality
60-Day Returns

Gates TL293 Turbocharger Coolant Line - Return
Turbocharger Coolant Line for GM Duramax Applications
Gates TL293 is a turbocharger coolant drain line built for coolant flow in and out of the turbocharger system. It uses steel and rubber construction to handle high heat and help maintain a secure, leak-resistant connection on the return side of the cooling circuit.
Compatible With 2010-2016 Chevrolet Express 2500 and Express 3500, plus 2011-2016 Silverado 2500 HD and Silverado 3500 HD. It also fits 2010-2016 GMC Savana 2500 and Savana 3500, and 2011-2016 Sierra 2500 HD and Sierra 3500 HD.
Key Features
- Gates Turbocharger Coolant Line, part number TL293
- OE Exact grade type for direct replacement use
- Steel and rubber construction for heat exposure in turbocharger cooling circuits
- Push-on inlet and outlet fittings
- Centerline length: 17.25 in. (438 mm)
- Turbocharger coolant drain line / return line application
Product Details
The Gates Turbocharger Coolant Line line is engineered for coolant conveyance to and from the turbocharger, with a focus on fit and durability in demanding engine bay conditions. TL293 serves the return-side coolant path and is built to match OE-style routing and connection points on the listed Chevrolet and GMC trucks and vans. If you are replacing a worn or leaking turbocharger coolant return pipe on a Silverado 2500 HD, Sierra 3500 HD, Express 3500, or similar GM diesel application, TL293 provides the correct style of replacement.
This part cross-references Dorman - OE Solutions 667-161 for the same application.
What It Helps Fix
- Coolant seepage at the turbocharger return line
- Cracked or heat-damaged coolant tubing near the turbocharger
- Loose or deteriorated push-on connections
- Loss of coolant flow through the turbocharger cooling circuit
- Service issues caused by an incorrect OE-style replacement line
Installation Notes and Tips
Verify the vehicle year, make, model, and return-line routing before installation. Confirm the push-on fitting locations and the 17.25-inch centerline length match the original part. Inspect adjoining hoses, clamps, and turbocharger coolant connections for heat damage or contamination before installing the new line.
Quality Assurance
Gates designs this turbocharger coolant line for OE Exact replacement use, with materials selected for the temperature demands of turbocharger cooling systems. Part number TL293 is built to support proper coolant transfer on the listed Chevrolet and GMC applications.
| Brand | Gates |
|---|---|
| Part Number | TL293 |
| Position | Turbocharger Coolant Line, Return |
| Material | Steel, rubber |
| Centerline Length | 17.25 |
| Centerline Length | 438 |
| Grade Type | Oe exact |
| Inlet Fitting Type | Push on |
| Outlet Fitting Type | Push on |
| Contents | Turbocharger coolant drain line |
| Type | Turbocharger coolant drain line |
This part fits 52 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2016 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2016 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2016 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2016 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2016 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2016 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2016 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2015 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2015 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2015 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2015 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2015 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2015 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2015 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2015 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2014 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2014 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2014 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2014 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2014 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2014 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2014 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2014 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2013 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2013 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2013 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2013 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2013 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2013 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2013 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2013 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2012 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2012 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2012 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2012 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2012 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2012 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2012 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2012 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2011 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2011 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2011 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2011 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2011 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2011 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2011 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2011 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2010 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2010 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2010 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
| 2010 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Return | Return - Connecting Pipe; Turbocharger Coolant Line |
* 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.