Dorman 624-557 Automatic Transmission Oil Cooler Hose Assembly - Lower

Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-557 automatic transmission oil cooler hose assembly is designed to provide a durable and flexible connection for your vehicle's transmission cooling system. Compatible with select Cadillac and Pontiac models, this hose assembly ensures efficient fluid transfer and helps maintain optimal transmission temperatures.

• Compatible with Cadillac DeVille, Seville, and Pontiac Bonneville models
• 15.5-inch molded hose assembly with flexible rubber and metal construction
• Black and silver hose colors for easy identification
• Male threaded end with 0.30-inch inside diameter for secure fitting
• Includes gasket or seal for leak prevention
• Operates reliably between -40°F and 329°F
• Maximum working pressure of 100 PSI

Durable Construction and Precise Fitment

This Dorman automatic transmission oil cooler hose assembly combines metal and rubber materials to provide both strength and flexibility. The molded assembly shape ensures a precise fit within the transmission cooling system of Cadillac DeVille, Seville, and Pontiac Bonneville vehicles. The hose features a male threaded end for secure attachment and includes a gasket or seal to prevent leaks. Designed to withstand temperatures from -40°F to 329°F and pressures up to 100 PSI, this hose assembly supports reliable transmission fluid flow under various operating conditions.

Compatible Vehicles and Applications

This transmission line is specifically compatible with the following vehicles:

• Cadillac DeVille
• Cadillac Seville
• Pontiac Bonneville

It is intended for use in the automatic transmission oil cooler system to maintain proper transmission fluid temperature and prevent overheating.

Common Issues Addressed by This Hose Assembly

• Transmission fluid leaks due to worn or damaged hoses
• Overheating caused by restricted or collapsed cooler lines
• Loss of transmission fluid pressure affecting shifting performance
• Corrosion or cracking in original hose assemblies
• Improper fitment leading to fluid contamination or leaks

Installation Notes and Tips

• Ensure the vehicle is cool and transmission fluid pressure is relieved before installation
• Inspect mating surfaces and clean thoroughly before attaching the hose
• Use the included gasket or seal to prevent leaks at the connection point
• Verify the hose routing matches the original to avoid kinks or interference
• Tighten male threaded end securely but avoid over-tightening to prevent damage

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 624-557 transmission oil cooler hose assembly undergoes rigorous quality control to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in your purchase.