Dorman 624-440 Automatic Transmission Oil Cooler Hose Assembly - Inlet and Outlet

Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-440 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 specific requirements of Chevrolet and GMC heavy-duty trucks, this hose assembly ensures efficient fluid transfer and reliable performance under varying temperature and pressure conditions.

• Compatible with Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD models
• 10.5-inch length with straight hose shape for precise fitment
• Constructed from a combination of metal and rubber for flexibility and durability
• Quick disconnect fittings on both ends for easy installation and removal
• Operates reliably between -40°F and 329°F with a maximum working pressure of 100 psi
• Natural hose color for easy identification

Durable Construction and Design Features

This automatic transmission oil cooler hose assembly combines metal and rubber materials to provide both strength and flexibility, accommodating the dynamic movements of the transmission system. The hose is 10.5 inches long and features a straight shape, making it suitable for direct routing in the cooling system. Both ends are equipped with quick disconnect fittings, allowing for efficient service and replacement without the need for specialized tools. The hose is designed to withstand a maximum working pressure of 100 psi and operate within a temperature range from -40°F to 329°F, ensuring reliable performance in demanding conditions.

Compatible Vehicles and Applications

The Dorman 624-440 hose assembly is specifically engineered for use with Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD trucks. It is ideal for replacing worn or damaged transmission oil cooler hoses to maintain proper transmission fluid cooling and prevent overheating or fluid leaks.

• Transmission fluid leaks or hose cracks
• Reduced transmission cooling efficiency
• Damaged or worn quick disconnect fittings
• Hose hardening or loss of flexibility
• Preventative maintenance to avoid transmission overheating

Installation Notes and Tips

Installation of the Dorman 624-440 hose assembly is straightforward due to the quick disconnect fittings on both ends. Before installation, ensure the transmission system is cool and depressurized. Carefully disconnect the old hose by releasing the quick disconnect fittings, then route the new hose assembly in the same orientation. Verify that the hose is free from kinks or sharp bends to maintain optimal fluid flow. No gasket or seal is included, so inspect existing seals for wear and replace if necessary.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 624-440 transmission oil cooler hose assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in your purchase.