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Dorman 800-707 Engine Oil Cooler Line Connector
Overview of Dorman Engine Oil Cooler Line Connector 800-707
The Dorman 800-707 engine oil cooler line connector is designed specifically for select Chevrolet and GMC heavy-duty trucks. Constructed from durable steel with a black finish, this connector ensures reliable performance in demanding engine cooling systems.
- Material: Steel construction for strength and durability
- Fitting Angle: Straight design for direct line connection
- Fitting Attachment Ends: Male thread on one end and quick disconnect on the other
- Fitting Size: 0.75 inch on both ends for precise fit
- Swivel: Non-swivel design for secure, fixed connections
- Specific fitment for Chevrolet and GMC 2500 and 3500 series trucks
- Package includes one oil cooler line connector
Detailed Product Description
The Dorman 800-707 engine oil cooler line connector is engineered to meet the exact specifications of Chevrolet Avalanche 2500, GMC Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, Silverado 3500, Suburban 2500, and Yukon XL 2500 models. Its steel construction provides resistance to corrosion and wear, while the black finish adds an extra layer of protection against environmental factors. The straight fitting angle and combination of male thread and quick disconnect ends allow for a secure and efficient connection between the engine oil cooler lines. This part is designed for specific fitment, ensuring compatibility and optimal performance in the cooling system of your heavy-duty truck.
Common Applications and Issues Addressed
- Replacement of worn or damaged oil cooler line connectors in Chevrolet and GMC 2500/3500 trucks
- Prevention of oil leaks caused by faulty or corroded connectors
- Restoration of proper oil flow to the engine cooler for temperature regulation
- Repair of quick disconnect fittings that no longer seal properly
- Maintenance of engine cooling system integrity to avoid overheating
Installation Notes and Tips
When installing the Dorman 800-707 connector, ensure the male threaded end is securely tightened to the corresponding port without over-torquing to prevent thread damage. The quick disconnect end should snap firmly into place, providing a leak-free seal. It is recommended to inspect surrounding hoses and fittings for wear during installation. No thread sealer is included or required, but verify the condition of existing seals or O-rings to maintain proper sealing.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 800-707 engine oil cooler line connector undergoes rigorous quality control to ensure durability and reliable performance in heavy-duty applications. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation for exact warranty terms.
| Brand | Dorman |
| Part Number | 800-707 |
| Fitting Angle | Straight |
| Fitting Attachment End Type 1 | Male Thread |
| Fitting Attachment End Type 2 | Quick Disconnect |
| Fitting Finish | Black |
| Fitting Size End 1 (in) | 0.75 In |
| Fitting Size End 2 (in) | 0.75 In |
| Fitting Type | Oil Cooler Line Connector |
| Material | Steel |
| Package Contents | 1 Oil Cooler Connector |
| Swivel | No |
| Thread Sealer Present | No |
| Universal Or Specific Fit | Specific |
This part fits 83 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2009 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2009 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2009 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2008 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2008 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2008 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2008 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2007 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2007 | Chevrolet | Silverado 3500 Classic | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2007 | Chevrolet | Silverado 3500 Classic | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2007 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2007 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2007 | GMC | Sierra 2500 HD Classic | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2007 | GMC | Sierra 2500 HD Classic | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2007 | GMC | Sierra 3500 Classic | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2007 | GMC | Sierra 3500 Classic | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2007 | GMC | Sierra 3500 Classic | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2007 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | Chevrolet | Avalanche 2500 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 | ||
| 2006 | Chevrolet | Avalanche 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2006 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2006 | Chevrolet | Silverado 3500 | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2006 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2006 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2006 | GMC | Sierra 3500 | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | GMC | Sierra 3500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | GMC | Sierra 3500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2006 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2006 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2005 | Chevrolet | Avalanche 2500 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 | ||
| 2005 | Chevrolet | Avalanche 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2005 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2005 | Chevrolet | Silverado 3500 | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2005 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2005 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2005 | GMC | Sierra 3500 | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | GMC | Sierra 3500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | GMC | Sierra 3500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2005 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2005 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2004 | Chevrolet | Avalanche 2500 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 | ||
| 2004 | Chevrolet | Avalanche 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2004 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2004 | Chevrolet | Silverado 3500 | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2004 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2004 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2004 | GMC | Sierra 3500 | 6.6L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | GMC | Sierra 3500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | GMC | Sierra 3500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2004 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 |
| 2004 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2003 | Chevrolet | Avalanche 2500 | N/A | Black; Transmission Oil Cooler Line to Radiator; Package Quantity: 1 | ||
| 2003 | Chevrolet | Avalanche 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2003 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2003 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2003 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2003 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2003 | GMC | Sierra 3500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
| 2003 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | Engine Oil Cooler Line to Radiator |
* 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.