HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 800-707 Engine Oil Cooler Line Connector
Part #: 800-707

Dorman 800-707 Engine Oil Cooler Line Connector

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⚙️ 83 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD Classic, Silverado 3500 Classic, Sierra 2500 HD Classic, Sierra 3500 Classic, Avalanche 2500, Silverado 3500, Suburban 2500, Sierra 3500, and Yukon XL 2500
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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.

BrandDorman
Part Number800-707
Fitting AngleStraight
Fitting Attachment End Type 1Male Thread
Fitting Attachment End Type 2Quick Disconnect
Fitting FinishBlack
Fitting Size End 1 (in)0.75 In
Fitting Size End 2 (in)0.75 In
Fitting TypeOil Cooler Line Connector
MaterialSteel
Package Contents1 Oil Cooler Connector
SwivelNo
Thread Sealer PresentNo
Universal Or Specific FitSpecific

This part fits 83 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009ChevroletSilverado 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2009ChevroletSilverado 3500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2009GMCSierra 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2009GMCSierra 3500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2008ChevroletSilverado 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2008ChevroletSilverado 3500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2008GMCSierra 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2008GMCSierra 3500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2007ChevroletSilverado 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2007ChevroletSilverado 2500 HD Classic8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2007ChevroletSilverado 2500 HD Classic8.1LV8N/AEngine Oil Cooler Line to Radiator
2007ChevroletSilverado 3500 Classic8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2007ChevroletSilverado 3500 Classic8.1LV8N/AEngine Oil Cooler Line to Radiator
2007ChevroletSilverado 3500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2007GMCSierra 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2007GMCSierra 2500 HD Classic8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2007GMCSierra 2500 HD Classic8.1LV8N/AEngine Oil Cooler Line to Radiator
2007GMCSierra 3500 Classic6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2007GMCSierra 3500 Classic8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2007GMCSierra 3500 Classic8.1LV8N/AEngine Oil Cooler Line to Radiator
2007GMCSierra 3500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006ChevroletAvalanche 2500N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006ChevroletAvalanche 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2006ChevroletSilverado 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006ChevroletSilverado 2500 HD8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006ChevroletSilverado 2500 HD8.1LV8N/AEngine Oil Cooler Line to Radiator
2006ChevroletSilverado 35006.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006ChevroletSilverado 35008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006ChevroletSilverado 35008.1LV8N/AEngine Oil Cooler Line to Radiator
2006ChevroletSuburban 25008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006ChevroletSuburban 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2006GMCSierra 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006GMCSierra 2500 HD8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006GMCSierra 2500 HD8.1LV8N/AEngine Oil Cooler Line to Radiator
2006GMCSierra 35006.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006GMCSierra 35008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006GMCSierra 35008.1LV8N/AEngine Oil Cooler Line to Radiator
2006GMCYukon XL 25008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2006GMCYukon XL 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2005ChevroletAvalanche 2500N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005ChevroletAvalanche 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2005ChevroletSilverado 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005ChevroletSilverado 2500 HD8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005ChevroletSilverado 2500 HD8.1LV8N/AEngine Oil Cooler Line to Radiator
2005ChevroletSilverado 35006.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005ChevroletSilverado 35008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005ChevroletSilverado 35008.1LV8N/AEngine Oil Cooler Line to Radiator
2005ChevroletSuburban 25008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005ChevroletSuburban 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2005GMCSierra 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005GMCSierra 2500 HD8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005GMCSierra 2500 HD8.1LV8N/AEngine Oil Cooler Line to Radiator
2005GMCSierra 35006.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005GMCSierra 35008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005GMCSierra 35008.1LV8N/AEngine Oil Cooler Line to Radiator
2005GMCYukon XL 25008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2005GMCYukon XL 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2004ChevroletAvalanche 2500N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004ChevroletAvalanche 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2004ChevroletSilverado 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004ChevroletSilverado 2500 HD8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004ChevroletSilverado 2500 HD8.1LV8N/AEngine Oil Cooler Line to Radiator
2004ChevroletSilverado 35006.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004ChevroletSilverado 35008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004ChevroletSilverado 35008.1LV8N/AEngine Oil Cooler Line to Radiator
2004ChevroletSuburban 25008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004ChevroletSuburban 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2004GMCSierra 2500 HD6.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004GMCSierra 2500 HD8.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004GMCSierra 2500 HD8.1LV8N/AEngine Oil Cooler Line to Radiator
2004GMCSierra 35006.6LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004GMCSierra 35008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004GMCSierra 35008.1LV8N/AEngine Oil Cooler Line to Radiator
2004GMCYukon XL 25008.1LV8N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2004GMCYukon XL 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2003ChevroletAvalanche 2500N/ABlack; Transmission Oil Cooler Line to Radiator; Package Quantity: 1
2003ChevroletAvalanche 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2003ChevroletSilverado 2500 HD8.1LV8N/AEngine Oil Cooler Line to Radiator
2003ChevroletSilverado 35008.1LV8N/AEngine Oil Cooler Line to Radiator
2003ChevroletSuburban 25008.1LV8N/AEngine Oil Cooler Line to Radiator
2003GMCSierra 2500 HD8.1LV8N/AEngine Oil Cooler Line to Radiator
2003GMCSierra 35008.1LV8N/AEngine Oil Cooler Line to Radiator
2003GMCYukon XL 25008.1LV8N/AEngine 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:

151701974223

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.