Dorman 624-553 Automatic Transmission Oil Cooler Hose Assembly - Inlet and Outlet

Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-553 automatic transmission oil cooler hose assembly is engineered to provide durable and flexible fluid transfer for heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Silverado 2500 HD and Sierra 3500 HD, this hose assembly ensures efficient cooling system performance under demanding conditions.

• Compatible with Chevrolet Silverado 2500 HD, 3500 HD, Sierra 2500 HD, 3500 HD, Suburban 2500, and GMC Yukon XL 2500
• Constructed with a combination of metal and rubber for flexibility and durability
• Molded assembly design with black and silver hose colors for easy identification
• Includes male quick disconnect and block connector ends for secure connections
• Supports maximum working pressure up to 100 psi and temperature range from -40°F to 329°F
• Comes with a gasket or seal and a retaining clip for installation
• Hose length of 88 inches with a 0.26-inch inside diameter on the male quick disconnect end

Durable Design and Material Specifications

The Dorman 624-553 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 and reliable fluid flow, while the black and silver hose colors help distinguish the assembly during maintenance. The hose is designed to withstand a maximum working pressure of 100 psi and operate effectively in temperatures ranging from -40°F to 329°F, making it suitable for heavy-duty applications in Chevrolet and GMC trucks.

Compatible Vehicles and Applications

This transmission oil cooler hose assembly is compatible with a range of Chevrolet and GMC heavy-duty trucks, including:

• Chevrolet Silverado 2500 HD and 3500 HD
• Chevrolet Sierra 2500 HD and 3500 HD
• Chevrolet Suburban 2500
• GMC Yukon XL 2500

It is designed to maintain optimal transmission fluid temperatures, helping to prevent overheating and maintain transmission performance.

Common Issues Addressed by This Hose Assembly

• Leaking or cracked transmission oil cooler hoses
• Transmission fluid overheating due to inefficient cooling
• Loose or damaged hose connections causing fluid loss
• Wear and tear from exposure to extreme temperatures and pressure
• Replacement of worn or damaged retaining clips and seals

Installation Notes and Tips

• Ensure the vehicle is cool and transmission fluid pressure is relieved before installation
• Verify compatibility with your specific Chevrolet or GMC model and year
• Use the included retaining clip and gasket or seal to secure connections and prevent leaks
• Inspect surrounding components for wear or damage during installation
• Follow manufacturer torque specifications for connectors to avoid damage

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 624-553 transmission oil cooler hose assembly undergoes rigorous quality control to ensure durability and reliability in heavy-duty applications. This part includes a warranty that covers defects in material and workmanship, providing confidence in its long-term performance for Chevrolet and GMC truck owners.