Dorman 624-334 Automatic Transmission Oil Cooler Hose Assembly - Radiator Oil Cooler Supply (Upper)

Dorman 624-334 Transmission Oil Cooler Hose

Restore fluid transfer between the transmission and the radiator oil cooler with this Dorman automatic transmission oil cooler hose assembly. Built with metal and rubber components, it provides a direct replacement for the upper radiator oil cooler supply line on select Jeep applications, including Cherokee, Comanche, and Wagoneer models.

Use Dorman 624-334 when you need a replacement transmission line that matches the original routing and connection style for the transmission-to-cooler circuit. The natural rubber hose construction is paired with a male quick disconnect on one end and female threads on the other for a secure connection.

Key Features

• Automatic transmission oil cooler hose assembly for transmission fluid routing
• Metal and rubber construction for leak-resistant fluid delivery
• 30-inch length
• Male quick disconnect end and female threaded end
• Natural hose color
• Rated for 100 maximum working pressure
• Operating temperature range: -40°F to 329°F
• Fits the radiator oil cooler supply (upper) position on listed Jeep applications

Detailed Description

Dorman 624-334 is a replacement transmission oil cooler hose assembly engineered for the upper radiator oil cooler supply line. It is built to move automatic transmission fluid between the transmission and the transmission oil cooler while maintaining a secure, leak-resistant connection. The hose uses rubber construction with metal components and is not flexible, which helps it retain the intended factory-style routing.

Compatible With 1998-2001 Jeep Cherokee, radiator oil cooler supply (upper); 1988-1993 Jeep Cherokee, radiator oil cooler supply (upper); 1988-1992 Jeep Comanche, radiator oil cooler supply (upper); and 1988-1990 Jeep Wagoneer, radiator oil cooler supply (upper). This part cross-references Sunsong (e.g., 5801216) for the same application. Dorman 624-334 is a direct-fit option for Jeep Cherokee, Jeep Comanche, and Jeep Wagoneer transmission cooler line replacement needs.

Common Problems It Can Help Address

• Transmission fluid leakage at the cooler line connection
• Cracked or deteriorated original rubber hose sections
• Corrosion or wear in the transmission cooler line assembly
• Restricted fluid transfer between the transmission and radiator cooler
• Failed upper radiator oil cooler supply line on listed Jeep vehicles

Installation Notes and Tips

Confirm the vehicle year, model, and upper radiator oil cooler supply position before installation. Match the male quick disconnect and female threaded ends to the original line routing, and inspect the mating fittings for wear or contamination before connecting the replacement hose. Verify that the line is seated correctly and that the routing clears hot or moving components.

Quality Assurance

This Dorman transmission oil cooler hose assembly is built from quality metal and rubber components to support leak-free fluid delivery in the transmission cooling circuit. Part number 624-334 is specified for select Jeep Cherokee, Comanche, and Wagoneer applications.