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Dorman 624-031 Automatic Transmission Oil Cooler Hose Assembly - Upper
Reliable Automatic Transmission Oil Cooler Hose Assembly
The Dorman 624-031 automatic transmission oil cooler hose assembly is designed to provide a durable and flexible connection for your vehicle's transmission cooling system. Engineered to meet the demands of Buick, Chevrolet, Oldsmobile, and Pontiac models, this hose assembly ensures efficient fluid transfer and temperature regulation.
- 24-inch length for precise fitment
- Natural hose color for easy identification
- Constructed with both metal and rubber materials for strength and flexibility
- Male threaded end and male quick disconnect end for secure connections
- 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 Compatibility
This Dorman transmission oil cooler hose assembly combines metal and rubber components to balance durability with flexibility. The natural color hose measures 24 inches, making it suitable for specific transmission cooling lines. The male threaded end and male quick disconnect end provide secure and leak-resistant connections, essential for maintaining transmission fluid integrity. Designed to withstand temperatures from -40°F to 329°F and pressures up to 100 PSI, this hose assembly is built to perform under typical operating conditions.
Compatible with Buick Century, Chevrolet Lumina and Monte Carlo, Oldsmobile Intrigue and Regal, as well as Pontiac Grand Prix models, the Dorman 624-031 is a direct replacement part that meets OEM specifications.
Common Applications and Problem Resolution
- Replacement of worn or cracked transmission oil cooler hoses
- Fixing leaks caused by damaged or brittle hose material
- Restoring proper transmission fluid flow and cooling efficiency
- Preventing overheating issues related to faulty cooler lines
- Addressing pressure loss in transmission cooling systems
Installation Notes and Tips
Before installation, ensure the vehicle is cool and the transmission fluid system is depressurized. The 24-inch hose length and specific end fittings require matching to the original hose for proper fit. Use appropriate tools to connect the male threaded and quick disconnect ends securely, avoiding overtightening which can damage fittings. Inspect all connections for leaks after installation and test drive the vehicle to confirm proper operation.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your transmission cooling needs. The 624-031 hose assembly undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.
| Brand | Dorman |
|---|---|
| Part Number | 624-031 |
| Contains Spring | No |
| End 1 Type | Male Threads |
| End 2 Type | Male Quick Disconnect |
| Flexible | Yes |
| Hose Color | Natural |
| Hose Material | Metal |
| Hose Material | Rubber |
| Length | 24 |
| Maximum Operating Temperature (┬░F) | 329 |
| Maximum Working Pressure | 100 |
| Minimum Operating Temperature (┬░F) | -40 |
| Package Contents | 1 Transmission Line |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1999 | Buick | Century | Upper | Radiator to Transmission | ||
| 1999 | Buick | Regal | Upper | Radiator to Transmission | ||
| 1999 | Chevrolet | Lumina | Upper | Radiator to Transmission; wo/Auxiliary Oil Cooler | ||
| 1999 | Chevrolet | Monte Carlo | Upper | Radiator to Transmission; wo/Auxiliary Oil Cooler | ||
| 1999 | Oldsmobile | Intrigue | 3.8L | V6 | Upper | Radiator to Transmission |
| 1999 | Pontiac | Grand Prix | 3.8L | V6 | Upper | Radiator to Transmission |
| 1999 | Pontiac | Grand Prix | 3.1L | V6 | Upper | Radiator to Transmission |
| 1998 | Buick | Century | Upper | Radiator to Transmission | ||
| 1998 | Buick | Regal | Upper | Radiator to Transmission | ||
| 1998 | Chevrolet | Lumina | Upper | Radiator to Transmission; wo/Auxiliary Oil Cooler | ||
| 1998 | Chevrolet | Monte Carlo | Upper | Radiator to Transmission; wo/Auxiliary Oil Cooler | ||
| 1998 | Oldsmobile | Intrigue | Upper | Radiator to Transmission | ||
| 1998 | Pontiac | Grand Prix | 3.8L | V6 | Upper | Radiator to Transmission |
| 1998 | Pontiac | Grand Prix | 3.1L | V6 | Upper | Radiator to Transmission |
* 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.