Dorman 624-064 Automatic Transmission Oil Cooler Hose Assembly

Automatic Transmission Oil Cooler Hose for Dodge Trucks

Dorman 624-064 is an automatic transmission oil cooler hose assembly built with metal tube and rubber components for fluid transfer between the transmission and the transmission oil cooler. It is a direct replacement for select Dodge D250, D350, W250, and W350 trucks from 1990-1993 with automatic transmission oil cooler hose applications.

Key Features

• Metal tube construction for a rigid transmission line layout
• Natural finish hose assembly with male threads on one end and female threads on the other
• 24-inch length for the specified routing
• Rated for 100 maximum working pressure
• Operating temperature range from -40°F to 329°F
• Non-flexible design with no spring included

Detailed Description

This Dorman transmission line is engineered to move automatic transmission fluid from the transmission to the cooler while maintaining a secure, leak-resistant connection. The 624-064 part number is listed for 1990-1993 Dodge D250, D350, W250, and W350 trucks, including applications noted as a pressure line with intercooler that connects the oil cooler to the transmission. This part cross-references 52117602 for the same application.

What It Helps Address

• Transmission fluid leaks at a damaged cooler line
• Restricted fluid flow caused by a corroded or cracked line
• Heat-related transmission concerns tied to poor cooler circulation
• Failed threaded connections at the transmission or cooler end
• Noise or vibration from a weakened rigid line assembly

Installation Notes and Tips

• Verify thread type and routing before installation on your Dodge D250, D350, W250, or W350.
• Inspect mating fittings, seals, and cooler connections for wear or corrosion before replacing the line.
• Confirm the line follows the original path to avoid contact with hot or moving components.
• Use the vehicle’s service information for torque and fluid service procedures.

Quality Assurance

Dorman manufactures replacement components for vehicle-specific repair needs, and this transmission oil cooler hose assembly is built from metal and rubber materials selected for fluid transfer service in the listed Dodge truck applications.