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Dorman 624-026 Automatic Transmission Oil Cooler Hose Assembly - Lower
| Brand | Dorman 624-026 |
|---|---|
| Position | Lower |
| Contains Spring | No |
| End 1 Type | Male Threads |
| End 2 Type | Male Quick Disconnect |
| Fittings Included | No |
| Flexible | Yes |
| Hose Color | Natural |
| Hose Material | Metal |
| Hose Material | Rubber |
| Length | 27.81 |
| Maximum Operating Temperature (┬░F) | 329 |
| Maximum Working Pressure | 100 |
| Minimum Operating Temperature (┬░F) | -40 |
| Package Contents | 1 Transmission Line |
| Fits | Buick, Chevrolet, Oldsmobile, and Pontiac · 12 vehicles |
Replacement hose assembly. Directly replaces the transmission oil cooler hose with a leak-free fit.
Metal and rubber construction. Combines strength and flexibility for reliable fluid transfer.
Flexible design. Handles movement while carrying critical transmission fluid.
Cross-references Sunsong 5801148 and 10409060 for the same application. See all 2.
Automatic Transmission Oil Cooler Hose for 1998-1999 GM Cars
Dorman 624-026 is a replacement automatic transmission oil cooler hose assembly for select 1998-1999 Buick, Chevrolet, Oldsmobile, and Pontiac models. It routes transmission fluid between the transmission and the transmission oil cooler, using metal and rubber construction for a secure, flexible connection.
Key Features
- Direct replacement automatic transmission oil cooler hose assembly
- Metal and rubber hose construction
- Flexible design for routing in tight engine bay spaces
- Male threads on one end and male quick disconnect on the other
- Rated for 100 psi maximum working pressure
- Operating temperature range: -40°F to 329°F
- Natural hose color
Detailed Description
This Dorman transmission line is built to move critical automatic transmission fluid between the radiator-mounted cooler circuit and the transmission. It is a fitment-based replacement for applications such as 1998-1999 Buick Century and Regal, 1998-1999 Chevrolet Lumina and Monte Carlo with no auxiliary oil cooler, 1998-1999 Oldsmobile Intrigue, and 1998-1999 Pontiac Grand Prix in the lower radiator-to-transmission position. Part number 624-026 is also referenced for the same application as 10409060 and Sunsong 5801148.
Common Problems This Part Can Address
- Transmission fluid leaks at a damaged cooler hose
- Cracked or deteriorated rubber sections in the cooler line
- Restricted fluid transfer between the transmission and cooler
- Corrosion or wear in the original metal line assembly
- Improper sealing at the hose connection points
Installation Notes and Tips
Verify the lower radiator-to-transmission routing before installation. Confirm the end styles match the vehicle connection points: male threads on one end and male quick disconnect on the other. Inspect mating fittings, seals, and surrounding cooler lines for wear before installing the replacement hose. This part is listed for 1998-1999 Buick Century, 1998-1999 Buick Regal, 1998-1999 Chevrolet Lumina, 1998-1999 Chevrolet Monte Carlo, 1998-1999 Oldsmobile Intrigue, and 1998-1999 Pontiac Grand Prix.
Quality Assurance
Dorman replacement parts are engineered to restore original fluid-routing function with materials selected for durability and leak resistance in transmission cooling service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1999 | Buick | Century | — | — | Lower | Radiator to Transmission |
| 1999 | Buick | Regal | — | — | Lower | Radiator to Transmission |
| 1999 | Chevrolet | Lumina | — | — | Lower | Radiator to Transmission; wo/Auxiliary Oil Cooler |
| 1999 | Chevrolet | Monte Carlo | — | — | Lower | Radiator to Transmission; wo/Auxiliary Oil Cooler |
| 1999 | Oldsmobile | Intrigue | 3.8L | V6 | Lower | Radiator to Transmission |
| 1999 | Pontiac | Grand Prix | — | — | Lower | Radiator to Transmission |
| 1998 | Buick | Century | — | — | Lower | Radiator to Transmission |
| 1998 | Buick | Regal | — | — | Lower | Radiator to Transmission |
| 1998 | Chevrolet | Lumina | — | — | Lower | Radiator to Transmission; wo/Auxiliary Oil Cooler |
| 1998 | Chevrolet | Monte Carlo | — | — | Lower | Radiator to Transmission; wo/Auxiliary Oil Cooler |
| 1998 | Oldsmobile | Intrigue | — | — | Lower | Radiator to Transmission |
| 1998 | Pontiac | Grand Prix | — | — | Lower | Radiator to Transmission |
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