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Dorman 624-118 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler (Driver Side) to Transmission, Inlet (Lower) or Lower
Reliable Automatic Transmission Oil Cooler Hose Assembly
The Dorman 624-118 automatic transmission oil cooler hose assembly is designed to maintain optimal transmission fluid flow and temperature in select Cadillac, Chevrolet, and GMC vehicles. Engineered with durable rubber and metal materials, this hose assembly ensures consistent performance under a wide range of operating conditions.
- Length: 56.7 inches for precise fitment
- Hose color: Natural for easy identification
- Ends feature quick disconnect fittings for efficient installation
- Maximum working pressure of 100 psi
- Operates reliably between -40°F and 329°F
- Constructed from a combination of rubber and metal for durability
- Non-flexible design to maintain structural integrity
Durable Construction and Precise Fitment
The Dorman 624-118 transmission line combines rubber and metal components to provide a robust and heat-resistant hose assembly. Its natural hose color allows for quick visual inspection during maintenance. The quick disconnect fittings on both ends simplify replacement and reduce service time. Designed to withstand pressures up to 100 psi and temperatures ranging from -40°F to 329°F, this hose assembly is suitable for demanding transmission cooling applications. The 56.7-inch length ensures compatibility with specific models without the need for modification.
Compatible Vehicles and Applications
This automatic transmission oil cooler hose assembly is compatible with a range of Cadillac, Chevrolet, and GMC trucks and SUVs, including:
- Cadillac Escalade, Escalade ESV, Escalade EXT
- Chevrolet Silverado 1500 HD, 2500, 3500 and their Classic variants
- Chevrolet Suburban 1500 and 2500
- GMC Sierra 1500 HD, 2500, 3500 and Classic models
- GMC Yukon, Yukon XL 1500, Yukon XL 2500
Common Issues Addressed by This Hose Assembly
- Transmission fluid leaks due to worn or damaged hoses
- Overheating caused by restricted or failing cooler lines
- Pressure loss affecting transmission cooling efficiency
- Corrosion or cracking in original transmission cooler hoses
- Difficulty in servicing with non-quick disconnect fittings
Installation Notes and Tips
When replacing the transmission oil cooler hose assembly, ensure the vehicle is cool and the transmission fluid system is depressurized. The quick disconnect fittings on both ends allow for straightforward removal and installation without specialized tools. Verify the hose length and fitting types match the original equipment to avoid leaks or improper fitment. Inspect surrounding components for wear or damage during installation.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 624-118 transmission line undergoes rigorous quality control to ensure it withstands the operating pressures and temperatures specified. Please refer to Dorman's warranty policy for coverage details.
| Brand | Dorman |
|---|---|
| Part Number | 624-118 |
| Hose Color | Natural |
| Length | 56.7 |
| End 1 Type | Quick disconnect |
| End 2 Type | Quick disconnect |
| Contains Spring | No |
| Maximum Working Pressure | 100 |
| Hose Material | Rubber/metal |
| Flexible | No |
| Maximum Operating Temperature (┬░F) | 329 |
| Minimum Operating Temperature (┬░F) | -40 |
| Package Contents | 1 transmission line |
This part fits 83 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 1500 HD Classic | Lower | |||
| 2007 | Chevrolet | Silverado 2500 HD Classic | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2007 | Chevrolet | Silverado 3500 Classic | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2007 | GMC | Sierra 1500 HD Classic | Lower | |||
| 2007 | GMC | Sierra 2500 HD Classic | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2007 | GMC | Sierra 3500 Classic | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2006 | Chevrolet | Silverado 1500 HD | Lower | |||
| 2006 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2006 | Chevrolet | Silverado 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2006 | Chevrolet | Suburban 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2006 | GMC | Sierra 1500 HD | Lower | |||
| 2006 | GMC | Sierra 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2006 | GMC | Sierra 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2006 | GMC | Yukon XL 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2005 | Chevrolet | Silverado 1500 HD | Lower | |||
| 2005 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2005 | Chevrolet | Silverado 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2005 | Chevrolet | Suburban 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2005 | GMC | Sierra 1500 HD | Lower | |||
| 2005 | GMC | Sierra 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2005 | GMC | Sierra 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2005 | GMC | Yukon XL 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2004 | Chevrolet | Silverado 2500 | Inlet (Lower) | |||
| 2004 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2004 | Chevrolet | Silverado 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2004 | Chevrolet | Suburban 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2004 | GMC | Sierra 2500 | Inlet (Lower) | |||
| 2004 | GMC | Sierra 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2004 | GMC | Sierra 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2004 | GMC | Yukon XL 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2003 | Cadillac | Escalade | 5.3L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2003 | Cadillac | Escalade | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2003 | Cadillac | Escalade ESV | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2003 | Cadillac | Escalade EXT | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2003 | Chevrolet | Silverado 1500 HD | Lower | |||
| 2003 | Chevrolet | Silverado 2500 | Inlet (Lower) | |||
| 2003 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2003 | Chevrolet | Silverado 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2003 | Chevrolet | Suburban 1500 | 5.3L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2003 | Chevrolet | Suburban 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2003 | GMC | Sierra 1500 HD | Lower | |||
| 2003 | GMC | Sierra 2500 | Inlet (Lower) | |||
| 2003 | GMC | Sierra 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2003 | GMC | Sierra 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | Tube and Hose |
| 2003 | GMC | Yukon XL 1500 | 5.3L | V8 | Inlet (Lower) | |
| 2003 | GMC | Yukon XL 1500 | 6.0L | V8 | Inlet (Lower) | |
| 2003 | GMC | Yukon XL 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | Cadillac | Escalade | 5.3L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | Cadillac | Escalade | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | Cadillac | Escalade EXT | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | Chevrolet | Silverado 1500 HD | Lower | |||
| 2002 | Chevrolet | Silverado 2500 | Inlet (Lower) | |||
| 2002 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | Chevrolet | Silverado 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | Chevrolet | Suburban 1500 | 5.3L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | Chevrolet | Suburban 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | GMC | Sierra 1500 HD | Lower | |||
| 2002 | GMC | Sierra 2500 | Inlet (Lower) | |||
| 2002 | GMC | Sierra 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | GMC | Sierra 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2002 | GMC | Yukon XL 1500 | Inlet (Lower) | w/RPO Code KNP (Heavy Duty Transmission Cooling System) | ||
| 2002 | GMC | Yukon XL 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2001 | Chevrolet | Silverado 1500 HD | Lower | |||
| 2001 | Chevrolet | Silverado 2500 | Inlet (Lower) | |||
| 2001 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2001 | Chevrolet | Silverado 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2001 | Chevrolet | Suburban 1500 | 5.3L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2001 | Chevrolet | Suburban 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2001 | GMC | Sierra 1500 HD | Lower | |||
| 2001 | GMC | Sierra 2500 | Inlet (Lower) | |||
| 2001 | GMC | Sierra 2500 HD | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2001 | GMC | Sierra 3500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2001 | GMC | Yukon | Inlet (Lower) | w/RPO Code KNP (Heavy Duty Transmission Cooling System) | ||
| 2001 | GMC | Yukon XL 1500 | Inlet (Lower) | w/RPO Code KNP (Heavy Duty Transmission Cooling System) | ||
| 2001 | GMC | Yukon XL 2500 | 6.0L | V8 | Auxiliary Cooler (Driver Side) to Transmission | |
| 2000 | Chevrolet | Silverado 2500 | Inlet (Lower) | |||
| 2000 | Chevrolet | Suburban 2500 | Auxiliary Cooler (Driver Side) to Transmission | 1st Design | ||
| 2000 | Chevrolet | Suburban 2500 | Auxiliary Cooler (Driver Side) to Transmission | 2nd Design | ||
| 2000 | GMC | Sierra 2500 | Inlet (Lower) | |||
| 2000 | GMC | Yukon XL 2500 | Auxiliary Cooler (Driver Side) to Transmission | 1st Design | ||
| 2000 | GMC | Yukon XL 2500 | Auxiliary Cooler (Driver Side) to Transmission | 2nd Design | ||
| 1999 | Chevrolet | Silverado 2500 | Inlet (Lower) | |||
| 1999 | GMC | Sierra 2500 | Inlet (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.