Dorman 624-437 Automatic Transmission Oil Cooler Hose Assembly - Inlet and Outlet

Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-437 automatic transmission oil cooler hose assembly is designed to provide a durable and flexible connection for your vehicle's transmission cooling system. Engineered for select Cadillac, Chevrolet, and GMC models, this hose assembly ensures efficient fluid transfer and helps maintain optimal transmission temperatures.

• Length: 11.7 inches for precise fitment
• Hose color: Black for a clean, professional appearance
• Ends feature hose barb (espiga de la manguera) fittings for secure connections
• Inside diameters: 0.29 inches (End 1) and 0.295 inches (End 2)
• Maximum working pressure of 250 PSI to handle transmission fluid demands
• Constructed from steel for strength and durability
• Straight hose shape for straightforward installation
• Includes gasket or seal to ensure leak-free operation
• Flexible design to accommodate engine bay movement

Durable Construction and Precise Fitment

The Dorman 624-437 hose assembly is built with steel material, providing enhanced resistance to wear, heat, and pressure commonly experienced in transmission cooling systems. Its straight hose shape and carefully measured length of 11.7 inches allow for a direct replacement without modification. The hose barb fittings on both ends ensure a tight, secure connection to the transmission oil cooler lines, minimizing the risk of leaks. This assembly is designed to withstand a maximum working pressure of 250 PSI, making it suitable for demanding transmission cooling applications.

Compatible Vehicles and Applications

This automatic transmission oil cooler hose assembly is compatible with a range of popular GM vehicles, including:

• Cadillac Escalade and Escalade ESV
• Chevrolet Cheyenne, Silverado 1500, Silverado 1500 LD, and Tahoe
• GMC Sierra 1500, Sierra 1500 Limited, Yukon, and Yukon XL

Use this hose assembly to replace worn or damaged transmission oil cooler lines and maintain proper transmission fluid flow and cooling efficiency.

Common Issues Addressed by This Hose Assembly

• Leaking or cracked transmission oil cooler hoses
• Reduced transmission cooling efficiency due to damaged lines
• Fluid contamination from compromised hose integrity
• Transmission overheating caused by inadequate fluid circulation
• Preventative maintenance to avoid transmission damage

Installation Notes and Tips

Before installation, ensure the vehicle is cool and safely supported. Inspect the transmission cooler fittings for damage or corrosion. The Dorman 624-437 hose assembly features hose barb ends that require secure clamping to prevent leaks. Use appropriate clamps and verify the hose is routed without kinks or sharp bends. Check for leaks after installation by running the engine and monitoring transmission fluid flow.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 624-437 hose assembly includes a gasket or seal to support leak-free operation. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship.