Dorman 624-746 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler Outlet (Driver Side)

Overview of Dorman 624-746 Transmission Oil Cooler Hose

The Dorman 624-746 automatic transmission oil cooler hose assembly is designed for reliable fluid transfer in heavy-duty Chevrolet and GMC trucks. Engineered to meet the demands of Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models, this hose assembly ensures consistent cooling performance under varying conditions.

• Length: 5.59 inches for precise fitment
• Hose color: Natural for easy identification
• Ends feature quick connect and quick disconnect fittings for efficient installation
• Inside diameter of 0.47 inches at End 1
• Constructed with a combination of metal and rubber materials for flexibility and durability
• Maximum working pressure rated at 100 psi
• Operates reliably between -40°F and 329°F
• Straight hose shape for direct routing
• Flexible design to accommodate engine movement without damage

Detailed Product Description

The Dorman 624-746 transmission oil cooler hose assembly combines metal and rubber components to provide a flexible yet durable solution for automatic transmission cooling systems. Its natural hose color allows for quick visual inspection during maintenance. The hose length of 5.59 inches and a straight shape ensure a precise fit within the transmission cooling circuit of Chevrolet and GMC heavy-duty trucks. Quick connect and quick disconnect fittings simplify the replacement process, reducing downtime. Rated for a maximum working pressure of 100 psi, this hose assembly withstands the demands of transmission fluid circulation while operating reliably in temperatures ranging from -40°F to 329°F.

Compatible Vehicles and Applications

• Chevrolet Sierra 2500 HD
• Chevrolet Sierra 3500 HD
• GMC Sierra 2500 HD
• GMC Sierra 3500 HD
• Chevrolet Silverado 2500 HD
• Chevrolet Silverado 3500 HD
• GMC Silverado 2500 HD
• GMC Silverado 3500 HD

This hose assembly is specifically designed for use in the automatic transmission oil cooler systems of these models, ensuring proper fluid flow and temperature regulation.

Common Issues Addressed by This Hose Assembly

• Leaking or cracked transmission oil cooler hoses
• Reduced transmission cooling efficiency due to damaged hoses
• Fluid contamination from hose deterioration
• Transmission overheating caused by faulty cooler lines
• Difficulty in hose connection or disconnection during maintenance

Installation Notes and Tips

When installing the Dorman 624-746 hose assembly, ensure the quick connect and disconnect fittings are securely engaged to prevent leaks. Verify the hose routing matches the original path to avoid kinks or excessive bending. Inspect surrounding components for wear or damage during replacement. No gasket or seal is included, so reuse existing seals if in good condition or replace as necessary.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 624-746 transmission oil cooler hose assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship.