Dorman 624-979 Transmission Oil Cooler Line
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$43.67
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
This automatic transmission oil cooler hose assembly is designed to match the fit and function of an original assembly. It is engineered from durable components as a reliable replacement for leaking or damaged lines on specified vehicles.
- Direct replacement - this automatic transmission oil cooler hose assembly is designed to match the fit and function of the original equipment assembly on specified vehicle makes, models and years
- Ideal solution - engineered to help ensure proper transmission cooling when the original assembly is leaking or has failed from corrosion, collision, vibration, or fitting damage
- Durable construction - made of quality materials for reliable performance and long service life
- Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2010 | Chevrolet | Silverado 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2010 | Chevrolet | Silverado 3500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2010 | GMC | Sierra 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2010 | GMC | Sierra 3500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2009 | Chevrolet | Silverado 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2009 | Chevrolet | Silverado 3500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2009 | GMC | Sierra 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2009 | GMC | Sierra 3500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2008 | Chevrolet | Silverado 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2008 | Chevrolet | Silverado 3500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2008 | GMC | Sierra 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2008 | GMC | Sierra 3500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2007 | Chevrolet | Silverado 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2007 | Chevrolet | Silverado 2500 HD Classic | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | |
| 2007 | Chevrolet | Silverado 3500 Classic | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | |
| 2007 | Chevrolet | Silverado 3500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2007 | GMC | Sierra 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2007 | GMC | Sierra 2500 HD Classic | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | |
| 2007 | GMC | Sierra 3500 Classic | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | |
| 2007 | GMC | Sierra 3500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | Tube and Hose |
| 2006 | Chevrolet | Silverado 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | |
| 2006 | Chevrolet | Silverado 3500 | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | |
| 2006 | GMC | Sierra 2500 HD | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) | |
| 2006 | GMC | Sierra 3500 | V8 403 6.6L (6599cc); 1000 Trans. | Auxiliary Cooler To Radiator (Upper) |
Product Specifications
| Contains Spring: | No |
|---|---|
| End 1 Type: | Quick Disconnect |
| End 2 Type: | Quick Disconnect |
| Flexible: | No |
| Gasket Or Seal Included: | No |
| Hose Material: | Metal; Rubber |
| Housing Color: | Natural |
| Length: | 38 in |
| Maximum Operating Temperature (°F): | 329 Deg. F. |
| Maximum Working Pressure: | 100 PSI |
| Minimum Operating Temperature (°F): | -40 Deg. F. |
| Package Contents: | 1 Transmission Line |
| Package Quantity: | 1 |
| Packaging Type: | Bag |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 15826412 | GENERAL MOTORS |
| 20759973 | GENERAL MOTORS |
| 20835127 | GENERAL MOTORS |
| 21998955 | GENERAL MOTORS |