Dorman 624-120 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler (Driver Side) to Transmission

Reliable Transmission Cooling for Chevrolet and GMC Vehicles

The Dorman 624-120 Automatic Transmission Oil Cooler Hose Assembly is designed to maintain optimal transmission fluid temperatures in Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. Engineered with durable rubber and metal materials, this hose assembly ensures consistent performance under a wide range of operating conditions.

• Natural-colored hose with a 55-inch length for precise fitment
• Quick disconnect fittings on both ends for efficient installation and removal
• Constructed from rubber and metal for durability and resistance to wear
• Maximum working pressure rated at 100 psi to handle transmission fluid flow
• Operates reliably between -40°F and 329°F temperature range
• Non-flexible design for secure and stable transmission line routing

Durable Construction and Precise Fitment

The Dorman 624-120 transmission oil cooler hose assembly combines rubber and metal components to provide a robust and long-lasting solution for transmission cooling systems. Its natural hose color and 55-inch length are tailored to fit specific Chevrolet and GMC van models, including the Express 2500, Express 3500, Savana 2500, and Savana 3500. Both ends feature quick disconnect fittings, allowing for straightforward connection and disconnection without compromising the seal or fluid integrity. Rated for a maximum working pressure of 100 psi, this hose assembly is built to withstand the demands of automatic transmission fluid circulation while operating within a broad temperature range from -40°F to 329°F.

Applications and Problem Resolution

• Replaces worn or cracked transmission oil cooler hoses in Chevrolet Express and GMC Savana vans
• Prevents transmission fluid leaks that can lead to overheating or transmission damage
• Restores proper transmission fluid flow to maintain efficient cooling
• Addresses issues caused by hose deterioration due to heat and pressure exposure
• Ensures secure connections with quick disconnect fittings to reduce maintenance time

Installation Notes and Tips

When installing the Dorman 624-120 hose assembly, verify compatibility with your Chevrolet Express 2500, Express 3500, GMC Savana 2500, or Savana 3500 model year and transmission type. The quick disconnect fittings simplify removal of the old hose and attachment of the new assembly. Ensure all connections are clean and free of debris before installation to maintain a proper seal. Avoid bending or flexing the hose excessively, as it is designed to be non-flexible for stable routing.

Quality Assurance and Warranty

Dorman manufactures the 624-120 transmission oil cooler hose assembly to meet or exceed OEM specifications for fit, form, and function. The combination of rubber and metal materials provides durability under high pressure and temperature conditions typical of automatic transmission systems. While specific warranty details are not provided, Dorman products are generally backed by quality standards to support reliable vehicle operation.