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Dorman 624-030 Automatic Transmission Oil Cooler Hose Assembly - Inlet (Upper) or Upper
Reliable Automatic Transmission Oil Cooler Hose Assembly
The Dorman 624-030 automatic transmission oil cooler hose assembly is designed to provide a durable and precise fit for select Buick, Cadillac, Oldsmobile, and Pontiac models. Engineered to handle a wide temperature range and high working pressure, this hose assembly ensures efficient transmission fluid cooling and system reliability.
- Durable metal and rubber hose construction for strength and flexibility
- 24-inch length suitable for specific transmission line routing
- Male threaded end for secure connection and leak prevention
- Operates reliably between -40°F and 329°F temperature range
- Maximum working pressure rating of 100 PSI
- Natural hose color for easy identification during installation
Product Details and Specifications
The Dorman 624-030 transmission oil cooler hose assembly combines metal and rubber materials to provide a robust yet reliable conduit for transmission fluid. Its 24-inch length is tailored to fit transmission cooling systems on Buick models like the LeSabre and Park Avenue, Cadillac DeVille and Fleetwood, Oldsmobile Delta 88 and 88, as well as Pontiac Bonneville. The hose features a male threaded end for a secure connection, while the opposite end is designed without threads to fit specific transmission line configurations. This hose is not flexible and does not contain a spring, ensuring a stable and consistent fluid path under operating conditions.
Compatible Vehicles and Applications
This hose assembly is compatible with the following makes and models:
- Buick LeSabre and Park Avenue
- Cadillac DeVille and Fleetwood
- Oldsmobile 88 and Delta 88
- Pontiac Bonneville
It is intended for use in automatic transmission oil cooler lines, helping maintain optimal transmission fluid temperature and preventing overheating.
Common Issues Addressed by This Hose Assembly
- Transmission fluid leaks due to worn or damaged hoses
- Overheating caused by inefficient transmission fluid cooling
- Pressure loss in transmission cooling lines
- Cracks or brittleness from exposure to extreme temperatures
- Improper hose fit leading to fluid contamination or loss
Installation Notes and Tips
When installing the Dorman 624-030 hose assembly, ensure the male threaded end is securely tightened to prevent leaks. Verify the hose routing matches the original configuration to avoid kinks or undue stress. Since the hose is not flexible, careful alignment during installation is necessary. Inspect surrounding components for wear or damage to maintain overall transmission cooling system integrity.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 624-030 transmission oil cooler hose assembly is tested for pressure and temperature resistance to ensure long service life. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
|---|---|
| Part Number | 624-030 |
| Contains Spring | No |
| End 1 Type | Male Threads |
| End 2 Type | None |
| Flexible | No |
| 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 17 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1993 | Oldsmobile | 88 | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler; Two Pipes Design |
| 1993 | Oldsmobile | 98 | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
| 1993 | Pontiac | Bonneville | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
| 1992 | Buick | LeSabre | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
| 1992 | Buick | Park Avenue | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
| 1992 | Cadillac | DeVille | Upper | Upper Cooler Pipe to Lower Transmission Pipe without Auxiliary Oil Cooler |
| 1992 | Cadillac | Fleetwood | Upper | Upper Cooler Pipe to Lower Transmission Pipe without Auxiliary Oil Cooler |
| 1992 | Oldsmobile | 88 | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
| 1992 | Oldsmobile | 98 | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
| 1992 | Pontiac | Bonneville | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
| 1991 | Buick | LeSabre | Inlet (Upper) | Automatic Transmission Oil Cooler Hose Assembly fits Radiator to Pipe from Lower Transmission without Auxiliary Oil Cooler and with Heavy Duty Cooling. |
| 1991 | Buick | Park Avenue | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
| 1991 | Cadillac | DeVille | Upper | Upper Cooler Pipe to Lower Transmission Pipe without Auxiliary Oil Cooler |
| 1991 | Cadillac | Fleetwood | Upper | Upper Cooler Pipe to Lower Transmission Pipe without Auxiliary Oil Cooler |
| 1991 | Oldsmobile | 98 | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
| 1991 | Oldsmobile | Delta 88 | Inlet (Upper) | Automatic Transmission Oil Cooler Hose Assembly fits Radiator to Pipe from Lower Transmission without Auxiliary Oil Cooler and with Heavy Duty Cooling. |
| 1991 | Pontiac | Bonneville | Inlet (Upper) | Radiator to Pipe from Lower Transmission; wo/Auxiliary Oil Cooler |
* 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.