Dorman 624-294 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler (Driver Side) to Transmission

Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-294 automatic transmission oil cooler hose assembly is designed to provide a durable and flexible connection for your vehicle's transmission cooling system. Engineered to meet the demands of Chevrolet and GMC heavy-duty trucks, this hose assembly ensures efficient transmission fluid flow and temperature regulation.

• Compatible with Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models
• Molded assembly with black and silver hose colors for easy identification
• Constructed from a combination of metal and rubber materials for flexibility and durability
• Features male quick disconnect fittings on both ends for secure and convenient installation
• Designed to operate within a temperature range of -40°F to 328°F
• Maximum working pressure rating of 100 PSI
• Hose length of 83 inches to fit specified heavy-duty truck models

Durable Construction and Design Features

The Dorman 624-294 hose assembly combines metal and rubber materials to provide a flexible yet robust solution for automatic transmission oil cooling. Its molded assembly shape ensures a precise fit within the transmission system of Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 trucks. The black and silver hose colors help distinguish the assembly during maintenance or replacement. Both ends feature male quick disconnect fittings with a 0.45-inch inside diameter, allowing for straightforward connection and disconnection without compromising the seal or fluid integrity.

Applications and Common Issues Addressed

• Replacement of worn or cracked transmission oil cooler hoses
• Resolving transmission fluid leaks caused by damaged hose assemblies
• Preventing overheating by maintaining proper transmission fluid flow
• Addressing hose failures due to exposure to extreme temperatures or pressure
• Ensuring reliable transmission cooling in heavy-duty Chevrolet and GMC trucks

Installation Notes and Tips

When installing the Dorman 624-294 transmission oil cooler hose assembly, ensure the vehicle is cool and the transmission fluid system is depressurized. The male quick disconnect fittings simplify the removal of the old hose and installation of the new assembly. Verify the hose routing matches the original to avoid kinks or interference with other components. No gasket or seal is included, so inspect existing seals for wear and replace if necessary to prevent leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for your Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 trucks. The 624-294 hose assembly is tested for durability under typical operating pressures and temperature ranges. While specific warranty details are not provided, Dorman products generally come with a limited warranty against defects in material and workmanship.