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Dorman 624-066 Automatic Transmission Oil Cooler Hose Assembly - Transmission to Radiator (Lower) or Upper
Reliable Automatic Transmission Oil Cooler Hose Assembly
The Dorman 624-066 automatic transmission oil cooler hose assembly is designed to provide a durable and precise fit for select Chevrolet and GMC heavy-duty trucks. Engineered to handle demanding operating conditions, this hose assembly ensures efficient transmission fluid cooling for optimal vehicle performance.
- Length: 44 inches for proper routing and fitment
- Hose Material: Combination of metal and rubber for strength and flexibility
- End Connections: Male quick disconnect fittings on both ends for secure and easy installation
- Maximum Working Pressure: Rated up to 100 PSI to withstand transmission fluid pressure
- Operating Temperature Range: From -40°F to 329°F to endure extreme temperature variations
- Hose Color: Natural finish for corrosion resistance and durability
- Non-flexible design to maintain shape and prevent kinking
Durable Construction for Heavy-Duty Applications
The Dorman 624-066 hose assembly combines metal and rubber materials to provide a robust solution for automatic transmission oil cooling systems. Its 44-inch length and male quick disconnect fittings on both ends ensure compatibility and ease of installation on Chevrolet Avalanche 2500, GMC Sierra 2500 HD, Sierra 2500 HD Classic, Silverado 2500 HD, Suburban 2500, and Yukon XL 2500 models. The hose is engineered to operate reliably under pressures up to 100 PSI and temperatures ranging from -40°F to 329°F, making it suitable for heavy-duty use in various driving conditions.
Compatible Vehicles and Applications
- Chevrolet Avalanche 2500 transmission oil cooler hose replacement
- GMC Sierra 2500 HD and Sierra 2500 HD Classic transmission line repair
- Silverado 2500 HD automatic transmission cooling system maintenance
- Suburban 2500 and Yukon XL 2500 transmission fluid cooler hose upgrade
Installation Notes and Tips
Ensure the vehicle is cool and safely supported before beginning installation. The male quick disconnect fittings allow for straightforward removal and replacement without specialized tools. Verify hose routing to avoid contact with moving parts or heat sources. Inspect all connections for leaks after installation and test drive to confirm proper operation.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 624-066 transmission oil cooler hose assembly undergoes rigorous quality control to ensure durability and performance. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
|---|---|
| Part Number | 624-066 |
| Hose Color | Natural |
| Length | 44 |
| End 1 Type | Male quick disconnect |
| End 2 Type | Male quick disconnect |
| Contains Spring | No |
| Maximum Working Pressure | 100 |
| Hose Material | Metal |
| Hose Material | Rubber |
| Flexible | No |
| Maximum Operating Temperature (┬░F) | 329 |
| Minimum Operating Temperature (┬░F) | -40 |
| Package Contents | 1 transmission line |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | GMC | Sierra 2500 HD Classic | 8.1L | V8 | Upper | |
| 2006 | Chevrolet | Avalanche 2500 | Transmission to Radiator (Lower) | |||
| 2006 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2006 | Chevrolet | Suburban 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2006 | GMC | Sierra 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2006 | GMC | Yukon XL 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2005 | Chevrolet | Avalanche 2500 | Transmission to Radiator (Lower) | |||
| 2005 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2005 | Chevrolet | Suburban 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2005 | GMC | Sierra 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2005 | GMC | Yukon XL 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2004 | Chevrolet | Avalanche 2500 | Transmission to Radiator (Lower) | |||
| 2004 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2004 | Chevrolet | Suburban 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2004 | GMC | Sierra 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2004 | GMC | Yukon XL 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2003 | Chevrolet | Avalanche 2500 | Transmission to Radiator (Lower) | |||
| 2003 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2003 | Chevrolet | Suburban 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2003 | GMC | Sierra 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2003 | GMC | Yukon XL 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2002 | Chevrolet | Avalanche 2500 | Transmission to Radiator (Lower) | |||
| 2002 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2002 | Chevrolet | Suburban 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2002 | GMC | Sierra 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2002 | GMC | Yukon XL 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2001 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2001 | Chevrolet | Suburban 2500 | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2001 | GMC | Sierra 2500 HD | 8.1L | V8 | Transmission to Radiator (Lower) | |
| 2001 | GMC | Yukon XL 2500 | 8.1L | V8 | Transmission to Radiator (Lower) |
* 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.