Dorman 624-103 Automatic Transmission Oil Cooler Hose Assembly - Transmission to Radiator (Lower) or Transmission to Radiator (Upper)

Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-103 automatic transmission oil cooler hose assembly is designed to provide a durable and precise fit for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered with quality rubber material, this hose assembly ensures consistent performance under a wide range of operating temperatures.

• Natural rubber hose material for durability and heat resistance
• Length of 22.75 inches for accurate fitment
• Hose barb on one end and male threads on the other for secure connections
• Maximum working pressure of 100 PSI
• Operates reliably between -40°F and 329°F
• Non-flexible design for stable transmission fluid flow

Durable Construction and Precise Fit

The Dorman 624-103 transmission oil cooler hose assembly is constructed from natural rubber, providing resistance to heat and pressure commonly found in automatic transmission cooling systems. With a length of 22.75 inches, it is designed to fit specific vehicle models including Buick Cutlass Supreme and Regal, Chevrolet Lumina and Monte Carlo, Oldsmobile Intrigue, and Pontiac Grand Prix. The hose features a hose barb on one end and male threaded fitting on the other, ensuring a secure and leak-resistant connection to the transmission cooler lines. This assembly does not contain a spring and is non-flexible, maintaining consistent fluid flow and system integrity.

Compatible Vehicles and Applications

This transmission oil cooler hose assembly is compatible with the following makes and models:

• Buick Cutlass Supreme and Regal
• Chevrolet Lumina and Monte Carlo
• Oldsmobile Intrigue
• Pontiac Grand Prix

It is designed to replace worn or damaged transmission cooler hoses that may cause leaks, overheating, or transmission fluid loss.

Common Issues Addressed by This Hose Assembly

• Transmission fluid leaks due to cracked or brittle hoses
• Overheating caused by restricted or damaged cooler lines
• Loss of transmission fluid pressure affecting shifting performance
• Corrosion or thread damage at hose connections
• Premature hose failure from exposure to extreme temperatures

Installation Notes and Tips

When installing the Dorman 624-103 hose assembly, ensure the vehicle is cool and transmission fluid pressure is relieved. Verify the hose length and end fittings match the original equipment. Use appropriate tools to tighten the male threaded end without over-torquing to prevent damage. Inspect all connections for leaks after installation and test drive to confirm proper transmission cooling system operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 624-103 transmission oil cooler hose assembly undergoes rigorous quality control to ensure durability and reliability. While specific warranty details are not provided, Dorman typically offers limited warranties covering defects in material and workmanship.