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Dorman 624-630 Automatic Transmission Oil Cooler Hose Assembly - Inlet (Passenger Side)
| Brand | Dorman 624-630 |
|---|---|
| Position | Inlet (Passenger Side) |
| Contains Spring | No |
| End 1 Inside Diameter | 0.31 |
| End 1 Type | Quick Disconnect |
| End 2 Inside Diameter | 0.319 |
| 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 | 7 |
| Maximum Operating Temperature (┬░F) | 329 Deg. F |
| Maximum Working Pressure | 500 |
| Minimum Operating Temperature (┬░F) | -40 Deg. F |
| Package Contents | 1 Transmission Line |
| Fits | Hummer · 7 vehicles |
Leak-free delivery. Metal and rubber construction moves critical fluid reliably.
Quick disconnect ends. Straight hose connects cleanly for straightforward service.
Transmission oil cooler hose. Replacement line for fluid transfer between transmission components.
Cross-references 15196326 for the same application. See all 1.
Automatic Transmission Cooler Hose for H3
Dorman 624-630 is an 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 a direct-fit replacement for select Hummer H3 and H3T applications with quick disconnect ends.
Key Features
- Direct replacement transmission oil cooler hose assembly
- Metal and rubber construction for leak-resistant fluid routing
- Straight hose design with flexible routing
- Quick disconnect ends on both sides for OE-style connection points
- Rated for temperatures from -40°F to 329°F
- Maximum working pressure: 500
- Natural hose color
- Fits the inlet (passenger side) location on select vehicles
Detailed Description
This Dorman transmission cooler hose is engineered for the fluid path between the transmission and cooler, where secure sealing and stable flow are critical. Part number 624-630 uses metal and rubber materials to support leak-free operation and OE-style fitment on the inlet (passenger side) of 2006-2010 Hummer H3 and 2009-2010 Hummer H3T models. If you are replacing a worn or leaking transmission line on a Hummer H3 or H3T, 624-630 provides the correct quick disconnect connection style and straight hose layout for the listed application.
This part cross-references OE number 15196326 for the same application.
What It Helps Address
- Transmission fluid leaks at the cooler line connection
- Cracked, hardened, or damaged hose sections
- Restricted fluid transfer between the transmission and cooler
- Failed quick disconnect connection points
- Heat-related deterioration in the transmission cooler line
Installation Notes and Tips
Verify the inlet (passenger side) location before installation. Confirm the quick disconnect ends match the vehicle’s original connection style and inspect mating surfaces for wear or contamination. Because gasket or seal information is not listed, reuse or replacement should be determined by the vehicle’s existing service requirements and the condition of the original sealing components.
Quality Assurance
Dorman manufactures this replacement hose assembly with metal and rubber construction to support dependable fluid delivery in the transmission cooling circuit. Part number 624-630 is built for the listed Hummer H3 and H3T fitments and follows OE-style connection and routing details for the application.
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Hummer | H3 | Automatic | Inlet (Passenger Side) | — |
| 2010 | Hummer | H3T | Automatic | Inlet (Passenger Side) | — |
| 2009 | Hummer | H3 | Automatic | Inlet (Passenger Side) | — |
| 2009 | Hummer | H3T | Automatic | Inlet (Passenger Side) | — |
| 2008 | Hummer | H3 | Automatic | Inlet (Passenger Side) | — |
| 2007 | Hummer | H3 | Automatic | Inlet (Passenger Side) | — |
| 2006 | Hummer | H3 | Automatic | Inlet (Passenger Side) | — |
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