Dorman 800-731 Automatic Transmission Oil Cooler Line Connector

Reliable Automatic Transmission Oil Cooler Line Connector

The Dorman 800-731 automatic transmission oil cooler line connector is engineered to provide a secure and durable connection for transmission cooling systems. Designed specifically for select Buick, Chevrolet, Oldsmobile, and Pontiac models, this steel fitting ensures proper fluid flow and system integrity.

• Constructed from durable steel for long-lasting performance
• Straight fitting angle for straightforward installation
• Quick disconnect fitting on one end for easy maintenance
• Male thread fitting on the opposite end with 3/8-18 size and ball check
• Includes thread sealer to prevent leaks and ensure a tight seal
• Compatible with multiple GM vehicles including Buick LeSabre and Chevrolet Impala

Product Details and Specifications

The Dorman 800-731 transmission fitting is made from high-quality steel, providing strength and resistance to corrosion in demanding engine environments. Its straight fitting angle simplifies routing within the transmission cooling system. One end features a quick disconnect fitting sized at 0.375 inches, allowing for fast and tool-free removal during service. The other end has a male threaded connection (3/8-18 with ball check) designed to maintain system pressure and prevent fluid backflow. The included thread sealer enhances the connection's reliability by minimizing the risk of leaks.

Compatible Vehicles and Applications

This transmission oil cooler line connector is compatible with a range of General Motors vehicles, including Buick Aurora, LeSabre, and Park Avenue; Chevrolet Impala, Monte Carlo, and Montana; Oldsmobile Silhouette and Intrigue; as well as Pontiac Grand Prix, Bonneville, and Aztek. The Dorman 800-731 part number ensures you receive the correct fitting for these specific models, supporting proper transmission cooling system function.

Common Issues Addressed by This Part

• Leaking or damaged transmission oil cooler line connections
• Difficulty disconnecting or reconnecting transmission cooler lines
• Corrosion or wear causing fluid loss or contamination
• Improper sealing leading to transmission overheating
• Replacement of worn or faulty fittings during transmission service

Installation Notes and Tips

When installing the Dorman 800-731 transmission fitting, ensure the quick disconnect end is fully engaged to prevent leaks. Apply appropriate thread sealant if additional sealing is required beyond the factory-applied sealer. Inspect the transmission cooler lines for damage or wear before installation. Use proper tools to avoid damaging the male threaded end and verify all connections are tight but not over-torqued to maintain system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 800-731 transmission oil cooler line connector undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to provide confidence in your replacement part.