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Dorman 624-435 Automatic Transmission Oil Cooler Hose Assembly - Lower
| Brand | Dorman 624-435 |
|---|---|
| Position | Lower |
| Contains Spring | No |
| End 1 Inside Diameter | 0.53 |
| End 1 Type | Quick Disconnect |
| 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 | 9.2 |
| Maximum Operating Temperature (┬░F) | 329 Deg. F |
| Maximum Working Pressure | 100 |
| Minimum Operating Temperature (┬░F) | -40 Deg. F |
| Package Contents | 1 Transmission Line |
| Fits | Chevrolet and GMC · 12 vehicles |
Leak-free delivery. Metal and rubber construction keeps critical fluid moving reliably.
Quick disconnect ends. Makes hose connection and removal straightforward.
Transmission oil cooler hose. Replacement line for fluid transfer between the transmission and cooler.
Cross-references 15767597 for the same application. See all 1.
Automatic Transmission Oil Cooler Hose for Silverado and Sierra
Dorman 624-435 is an automatic transmission oil cooler hose assembly for select Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 applications. It routes transmission fluid between the transmission and the cooler using metal and rubber construction for a secure, leak-resistant connection.
Key Features
- Direct replacement automatic transmission oil cooler hose assembly
- Metal and rubber construction for durability and flexibility
- Quick disconnect ends on both sides for OE-style connection points
- Straight hose shape with natural finish
- 9.2-inch length with 0.53-inch inside diameter at end 1
- Rated for 100 maximum working pressure
- Operating temperature range from -40 Deg. F to 329 Deg. F
- Compatible with lower transmission-to-radiator routing on listed trucks
Detailed Description
This Dorman transmission line is built to replace the lower automatic transmission oil cooler hose used on 2001-2003 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models with auxiliary oil cooler setups. It uses quick disconnect fittings at both ends to match the factory connection style and help maintain proper fluid transfer between the transmission and radiator cooler circuit. This part cross-references GM 15767597 for the same application. Dorman 624-435 is a practical OE-style replacement for trucks that need a dependable transmission cooler hose assembly.
What It Helps Fix
- Transmission fluid leaks at the cooler line connection
- Cracked, corroded, or worn factory hose sections
- Restricted fluid flow between the transmission and radiator cooler
- Damaged quick disconnect fittings on the lower cooler line
- Heat-related deterioration in the transmission oil cooler hose
Installation Notes and Tips
- Fits 2001-2002 Chevrolet Silverado 2500 HD, lower transmission to radiator with auxiliary oil cooler
- Fits 2001-2002 Chevrolet Silverado 3500, lower transmission to radiator with auxiliary oil cooler
- Fits 2001-2002 GMC Sierra 2500 HD, lower transmission to radiator with auxiliary oil cooler
- Fits 2001-2002 GMC Sierra 3500, lower transmission to radiator with auxiliary oil cooler
- Fits 2003 Chevrolet Silverado 2500 HD, lower transmission to radiator, ID codes KSJ and KWC, with auxiliary oil cooler
- Fits 2003 Chevrolet Silverado 3500, lower transmission to radiator, ID codes KSJ and KWC, with auxiliary oil cooler
- Fits 2003 GMC Sierra 2500 HD, lower transmission to radiator, ID codes KSJ and KWC, with auxiliary oil cooler
- Fits 2003 GMC Sierra 3500, lower transmission to radiator, ID codes KSJ and KWC, with auxiliary oil cooler
- Verify the lower line routing and transmission ID codes before installation
- Inspect the mating cooler ports and seals during service; gasket or seal is not included
Quality Assurance
Dorman manufactures replacement parts engineered to match factory-style fit and function for service repairs. This transmission oil cooler hose assembly is built from quality metal and rubber components to support leak-free fluid delivery in the listed Chevrolet Silverado and GMC Sierra applications.
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2003 | Chevrolet | Silverado 2500 HD | Automatic | Lower | Transmission to Radiator (ID Codes KSJ and KWC); w/Auxiliary Oil Cooler |
| 2003 | Chevrolet | Silverado 3500 | — | Lower | Transmission to Radiator (ID Codes KSJ and KWC); w/Auxiliary Oil Cooler |
| 2003 | GMC | Sierra 2500 HD | Automatic | Lower | Transmission to Radiator (ID Codes KSJ and KWC); w/Auxiliary Oil Cooler |
| 2003 | GMC | Sierra 3500 | — | Lower | Transmission to Radiator (ID Codes KSJ and KWC); w/Auxiliary Oil Cooler |
| 2002 | Chevrolet | Silverado 2500 HD | Automatic | Lower | Transmission to Radiator; w/Auxiliary Oil Cooler |
| 2002 | Chevrolet | Silverado 3500 | — | Lower | Transmission to Radiator; w/Auxiliary Oil Cooler |
| 2002 | GMC | Sierra 2500 HD | Automatic | Lower | Transmission to Radiator; w/Auxiliary Oil Cooler |
| 2002 | GMC | Sierra 3500 | — | Lower | Transmission to Radiator; w/Auxiliary Oil Cooler |
| 2001 | Chevrolet | Silverado 2500 HD | Automatic | Lower | Transmission to Radiator; w/Auxiliary Oil Cooler |
| 2001 | Chevrolet | Silverado 3500 | — | Lower | Transmission to Radiator; w/Auxiliary Oil Cooler |
| 2001 | GMC | Sierra 2500 HD | Automatic | Lower | Transmission to Radiator; w/Auxiliary Oil Cooler |
| 2001 | GMC | Sierra 3500 | — | Lower | Transmission to Radiator; w/Auxiliary Oil Cooler |
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