Dorman 800-605 Automatic Transmission Oil Cooler Line Connector

Reliable Automatic Transmission Oil Cooler Line Connector

The Dorman 800-605 automatic transmission oil cooler line connector is engineered to provide a secure and leak-free connection for transmission cooling systems. Designed for compatibility with a wide range of GM vehicles including Chevrolet Silverado 1500, GMC Sierra 2500, and Cadillac Escalade models, this steel connector ensures durability and precise fitment.

• Constructed from durable steel for long-lasting performance
• Straight fitting angle with quick disconnect and male thread ends
• Fitting sizes: 0.375 inch quick disconnect and 5/8-18 inch male thread
• Includes thread sealer to prevent leaks
• Compatible with Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, and Pontiac models

Product Details and Specifications

The Dorman 800-605 transmission line connector features a straight fitting angle designed to maintain optimal fluid flow without kinks or restrictions. It has a dual end design with an external and internal profile, including a quick disconnect fitting on one end and a male threaded fitting on the other. The connector measures 0.84 inches in length along the axis and has an outside diameter of 0.673 inches on the quick disconnect end. This part is constructed from steel to withstand high temperatures and pressures typical in automatic transmission cooling systems. The included thread sealer enhances the seal integrity, reducing the risk of fluid leaks.

Compatible Vehicles and Applications

This transmission oil cooler line connector is compatible with numerous GM vehicles, including but not limited to:

• Chevrolet Silverado 1500, Avalanche 1500, and Suburban 1500
• GMC Sierra 2500, Yukon XL 1500, and Savana 2500
• Cadillac Escalade, Escalade ESV, and DeVille
• Buick Century and Regal
• Hummer H2 and H3

Common Issues Addressed by This Connector

• Leaking transmission fluid due to worn or damaged connectors
• Transmission overheating caused by poor cooler line connections
• Corrosion or cracking in original transmission line fittings
• Loose or faulty quick disconnect fittings leading to fluid loss
• Thread damage causing improper sealing and fluid leaks

Installation Notes and Tips

• Ensure the transmission is cool before beginning installation
• Use appropriate tools to avoid damaging the quick disconnect or threaded ends
• Verify the thread sealer is intact and properly applied before connecting
• Check for leaks after installation by running the engine and inspecting the connection
• Consult vehicle-specific service manuals for torque specifications and procedures

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 800-605 transmission oil cooler line connector undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.