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Dorman 624-974 Automatic Transmission Oil Cooler Hose Assembly - Inlet (Upper)
| Brand | Dorman 624-974 |
|---|---|
| Position | Inlet (Upper) |
| Contains Spring | No |
| End 1 Type | Quick Disconnect |
| End 2 Type | Quick Disconnect |
| Flexible | No |
| Gasket or Seal Included | No |
| Hose Color | Natural |
| Hose Material | Rubber/Metal |
| Length | 50 |
| Maximum Operating Temperature (┬░F) | 329 |
| Maximum Working Pressure | 100 |
| Minimum Operating Temperature (┬░F) | -40 |
| Package Contents | 1 Transmission Line |
| Fits | Chevrolet, Pontiac, Buick, and Oldsmobile · 16 vehicles |
Leak-free delivery. Quality metal and rubber construction keeps transmission fluid moving reliably.
Quick disconnect ends. Both ends simplify connection to the transmission oil cooler line.
Rubber/metal build. Combines flexibility and strength for dependable fluid transfer.
Cross-references Sunsong 5801076 and 10301301 for the same application. See all 2.
Automatic Transmission Cooler Hose for GM Applications
Dorman 624-974 is a replacement automatic transmission oil cooler hose assembly built with metal and rubber components for fluid transfer between the transmission and the transmission oil cooler. It is made for direct replacement use on select Pontiac, Buick, and Oldsmobile vehicles with upper inlet routing.
Key Features
- Constructed from rubber and metal for durable transmission fluid routing
- Quick disconnect ends on both sides for OE-style connection points
- Natural hose color
- 50-inch length
- Maximum working pressure: 100
- Operating temperature range: -40°F to 329°F
- Non-flexible design with no spring, gasket, or seal included
Detailed Product Information
This Dorman transmission line is engineered for leak-resistant delivery of critical automatic transmission fluid between the transmission and the cooler. Part number 624-974 is listed for the inlet (upper) position on 2001-2004 Pontiac Aztek, 2001-2004 Pontiac Montana, 2002-2004 Buick Rendezvous, 2001-2004 Oldsmobile Silhouette, and 2005 Pontiac Montana. This part cross-references Sunsong 5801076 and 10301301 for the same application.
What This Hose Helps Address
- Transmission fluid leaks at the cooler line
- Cracked or deteriorated hose material
- Damaged quick disconnect connections
- Restricted fluid transfer between the transmission and cooler
- Replacement needs for an upper inlet transmission cooler line
Installation Notes and Tips
Verify the vehicle’s upper inlet routing, end style, and length before installation. This assembly uses quick disconnect ends at both connections and does not include a gasket or seal. Confirm the hose path and connection points on the Pontiac Montana, Pontiac Aztek, Buick Rendezvous, or Oldsmobile Silhouette before replacing the original line.
Quality Assurance
Dorman builds this replacement hose assembly from metal and rubber components to support leak-free fluid delivery in the transmission cooling circuit. The construction and temperature range are specified for use in demanding underhood conditions.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Pontiac | Montana | Base | 3.4L | V6 | Inlet (Upper) | 9.48 mm End of Hose to Flare |
| 2004 | Buick | Rendezvous | — | 3.4L | V6 | Inlet (Upper) | — |
| 2004 | Oldsmobile | Silhouette | — | 3.4L | V6 | Inlet (Upper) | — |
| 2004 | Pontiac | Aztek | — | 3.4L | V6 | Inlet (Upper) | — |
| 2004 | Pontiac | Montana | — | 3.4L | V6 | Inlet (Upper) | — |
| 2003 | Buick | Rendezvous | — | 3.4L | V6 | Inlet (Upper) | — |
| 2003 | Oldsmobile | Silhouette | — | 3.4L | V6 | Inlet (Upper) | — |
| 2003 | Pontiac | Aztek | — | 3.4L | V6 | Inlet (Upper) | — |
| 2003 | Pontiac | Montana | — | 3.4L | V6 | Inlet (Upper) | — |
| 2002 | Buick | Rendezvous | — | 3.4L | V6 | Inlet (Upper) | — |
| 2002 | Oldsmobile | Silhouette | — | 3.4L | V6 | Inlet (Upper) | — |
| 2002 | Pontiac | Aztek | — | 3.4L | V6 | Inlet (Upper) | — |
| 2002 | Pontiac | Montana | — | 3.4L | V6 | Inlet (Upper) | — |
| 2001 | Oldsmobile | Silhouette | — | 3.4L | V6 | Inlet (Upper) | — |
| 2001 | Pontiac | Aztek | — | 3.4L | V6 | Inlet (Upper) | — |
| 2001 | Pontiac | Montana | — | 3.4L | V6 | Inlet (Upper) | — |
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