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Dorman 624-624 Automatic Transmission Oil Cooler Hose Assembly - Upper
Reliable Automatic Transmission Oil Cooler Hose Assembly
The Dorman 624-624 automatic transmission oil cooler hose assembly is designed to provide a durable and flexible connection for your vehicle's transmission cooling system. Specifically engineered for Buick Lucerne and Cadillac DTS models, this hose assembly ensures efficient fluid transfer under varying temperature and pressure conditions.
- Compatible with Buick Lucerne and Cadillac DTS models
- Hose length: 8.58 inches for precise fitment
- Natural-colored hose with straight shape for easy routing
- Quick disconnect fittings on both ends for fast installation and removal
- Constructed from a combination of metal and rubber for flexibility and durability
- Operates reliably between -40°F and 329°F
- Maximum working pressure of 100 psi
- Flexible design without internal spring for smooth fluid flow
Durable Construction and Precise Fitment
The Dorman 624-624 transmission oil cooler hose assembly features a hybrid construction using metal and rubber materials, providing both flexibility and strength. Its straight hose shape and natural color allow for straightforward installation and compatibility with the original equipment layout. The quick disconnect fittings on both ends, each with a 0.31-inch inside diameter, facilitate secure and leak-free connections while simplifying maintenance tasks. Designed to withstand a maximum working pressure of 100 psi and operating temperatures ranging from -40°F to 329°F, this hose assembly is built to endure the demanding conditions of automatic transmission cooling systems in Buick Lucerne and Cadillac DTS vehicles.
Application and Common Issues Addressed
- Replacement of worn or cracked transmission oil cooler hoses
- Resolving transmission fluid leaks caused by damaged hose assemblies
- Restoring proper transmission fluid flow to prevent overheating
- Addressing hose failures due to temperature or pressure stress
- Maintaining transmission system integrity in Buick Lucerne and Cadillac DTS models
Installation Notes and Tips
Before installation, ensure the vehicle is cool and the transmission fluid system is depressurized. The quick disconnect fittings on both ends allow for straightforward removal and replacement without specialized tools. Verify the hose length and fitting sizes match your vehicle’s specifications. Inspect surrounding components for wear or damage during installation to prevent future issues. Properly secure the hose to avoid contact with moving parts or excessive heat sources.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 624-624 transmission oil cooler hose assembly undergoes rigorous quality control to provide consistent fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to support long-term vehicle maintenance.
| Brand | Dorman |
| Part Number | 624-624 |
| Contains Spring | No |
| End 1 Inside Diameter | 0.31 |
| End 1 Type | Quick Disconnect |
| End 2 Type | Quick Disconnect |
| Flexible | Yes |
| Gasket or Seal Included | No |
| Hose Color | Natural |
| Hose Material | Metal |
| Hose Material | Rubber |
| Hose Shape | Straight |
| Length | 8.58 |
| Maximum Operating Temperature (┬░F) | 329 Deg. F |
| Maximum Working Pressure | 100 |
| Minimum Operating Temperature (┬░F) | -40 Deg. F |
| Package Contents | 1 Transmission Line |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | 4.6L | V8 | Upper | |
| 2011 | Cadillac | DTS | 4.6L | V8 | Upper | |
| 2010 | Buick | Lucerne | 4.6L | V8 | Upper | |
| 2010 | Cadillac | DTS | 4.6L | V8 | Upper | |
| 2009 | Buick | Lucerne | 4.6L | V8 | Upper | |
| 2009 | Cadillac | DTS | 4.6L | V8 | Upper | |
| 2008 | Buick | Lucerne | 4.6L | V8 | Upper | |
| 2008 | Cadillac | DTS | 4.6L | V8 | Upper | |
| 2007 | Buick | Lucerne | 4.6L | V8 | Upper | |
| 2007 | Cadillac | DTS | 4.6L | V8 | Upper | |
| 2006 | Buick | Lucerne | 4.6L | V8 | Upper | |
| 2006 | Cadillac | DTS | 4.6L | V8 | Upper |
* 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.