Dorman 624-348 Automatic Transmission Oil Cooler Hose Assembly - Inlet and Outlet

Automatic Transmission Oil Cooler Hose Assembly

Dorman 624-348 is a replacement automatic transmission oil cooler hose assembly for vehicles that route transmission fluid between the transmission and the cooler. Built with metal and rubber construction, it supports leak-resistant fluid transfer in the inlet and outlet line path.

Compatible With 2005-2011 Chevrolet Cobalt, Chevrolet HHR, Pontiac G4, Pontiac G5, and Pontiac Pursuit applications that use the listed inlet and outlet connection style. This part cross-references OE numbers 5801378 and 15817233 for the same application.

Key Features

• Part number: 624-348
• Automatic transmission oil cooler hose assembly
• Metal and rubber hose construction
• Natural hose color
• 18-inch length
• Block connector end and male quick disconnect end
• No spring included
• No gasket or seal included
• Maximum working pressure: 100
• Operating temperature range: -40 Deg. F. to 329 Deg. F.

Detailed Description

This Dorman transmission line is built to replace a worn or leaking cooler hose that carries automatic transmission fluid between the transmission and the transmission oil cooler. The combination of metal and rubber materials helps maintain fluid flow while matching the connection style used on the vehicle. Dorman 624-348 is a direct-fit service part for inlet and outlet routing on select Chevrolet and Pontiac models, including Chevrolet Cobalt, Chevrolet HHR, Pontiac G5, Pontiac G4, and Pontiac Pursuit.

What It Helps Fix

• Transmission fluid leaks at the cooler hose assembly
• Cracked, corroded, or damaged transmission line sections
• Restricted fluid transfer between the transmission and cooler
• Failed block connector or quick-disconnect connection points
• Heat-related hose deterioration in the transmission cooling circuit

Installation Notes and Tips

Verify the end styles, length, and routing before installation. This hose uses a block connector on one end and a male quick disconnect on the other, and it does not include a gasket or seal. Confirm vehicle-specific inlet and outlet fitment for your Chevrolet Cobalt, Chevrolet HHR, Pontiac G5, Pontiac G4, or Pontiac Pursuit before replacing the line.

Quality Assurance

Dorman manufactures this replacement hose assembly with metal and rubber components to support leak-free transmission fluid delivery under normal operating conditions. Part number 624-348 is specified for select 2005-2011 applications and is built to meet the connection and temperature requirements of the listed vehicles.