Dorman 624-156 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler (Driver Side) to Transmission

Overview of Dorman 624-156 Transmission Oil Cooler Hose Assembly

The Dorman 624-156 automatic transmission oil cooler hose assembly is designed for reliable fluid transfer in Chevrolet and GMC heavy-duty trucks. This hose assembly ensures proper cooling of the transmission fluid, helping maintain optimal transmission performance under demanding conditions.

• Length: 56 inches for precise fitment
• Hose color: Natural rubber/metal construction
• Ends: Quick disconnect fittings on both ends for easy installation
• Maximum working pressure: 100 PSI
• Operating temperature range: -40°F to 329°F
• Non-flexible hose design for durability
• Contains one transmission line per package

Detailed Product Description

The Dorman 624-156 transmission oil cooler hose assembly features a durable rubber and metal construction that withstands high temperatures and pressures typical in automatic transmission cooling systems. With a maximum operating temperature of 329°F and a minimum of -40°F, this hose assembly is engineered to perform reliably in extreme environments. The 56-inch length is tailored to fit specific Chevrolet and GMC models, including C2500, C2500 Suburban, C3500, K2500, K2500 Suburban, and K3500 trucks. Both ends of the hose feature quick disconnect fittings, allowing for straightforward replacement without the need for specialized tools. The hose is designed to maintain a maximum working pressure of 100 PSI, ensuring consistent fluid flow and transmission cooling efficiency.

Compatible Vehicles and Applications

This transmission oil cooler hose assembly is compatible with the following vehicles:

• Chevrolet C2500 and C2500 Suburban
• Chevrolet C3500
• GMC K2500 and K2500 Suburban
• GMC K3500

It is intended for use in automatic transmission cooling systems to help prevent overheating and maintain transmission fluid integrity.

Common Issues Addressed by This Hose Assembly

• Leaking or cracked transmission oil cooler hoses
• Transmission fluid overheating due to inefficient cooling
• Loss of transmission fluid pressure
• Difficulty disconnecting old hose fittings during maintenance
• Premature hose failure from exposure to extreme temperatures

Installation Notes and Tips

• Ensure the vehicle is cool before beginning installation to avoid burns from hot transmission fluid.
• Use the quick disconnect fittings to remove the old hose assembly without damaging connectors.
• Verify the hose length and fitting types match the original equipment to ensure proper fitment.
• Inspect surrounding components for wear or damage during replacement.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 624-156 transmission oil cooler hose assembly undergoes rigorous quality control to ensure durability and performance. Warranty coverage details can be obtained from the product documentation or manufacturer.