Sunsong 5801048 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler To Radiator (Upper)

Automatic Transmission Oil Cooler Hose for GM Trucks and SUVs

Sunsong 5801048 is an automatic transmission oil cooler hose assembly built for direct replacement on select Chevrolet and GMC applications. It uses pre-bent steel tubing with a rubber hose section and quick connect ends to match the original routing and connection style.

• Automatic transmission oil cooler hose assembly for the upper auxiliary cooler to radiator line
• Quick connect fittings on both ends for OE-style attachment
• Steel and rubber construction for the specified hose routing
• 42 in. overall length, 1067 mm
• Operating temperature range from -40 to 350 degrees Fahrenheit
• Cross-references Dorman OE Solutions 624-117 for the same application

OE-Style Routing and Corrosion Protection

This Sunsong transmission cooler hose is precision formed to follow the original path on compatible Chevrolet Silverado 1500, Chevrolet Tahoe, GMC Sierra 1500, and related GM trucks and SUVs. The steel tubing is zinc electroplated to help resist rust and corrosion from humidity, road salt, water, and grime, while the rubber section supports the required hose routing between the auxiliary cooler and radiator. Sunsong 5801048 is engineered to meet or exceed original equipment performance standards for the listed applications.

Vehicle Fitment

• Fits 2007 Chevrolet Silverado 1500 Classic, Auxiliary Cooler To Radiator (Upper)
• Fits 2007 GMC Sierra 1500 Classic, Auxiliary Cooler To Radiator (Upper)
• Fits 2006 Chevrolet Avalanche 1500, Auxiliary Cooler To Radiator (Upper)
• Fits 1999-2006 Chevrolet Silverado 1500, Auxiliary Cooler To Radiator (Upper)
• Fits 2006 Chevrolet Suburban 1500, Auxiliary Cooler To Radiator (Upper)
• Fits 2006 Chevrolet Tahoe, Auxiliary Cooler To Radiator (Upper)
• Fits 1999-2006 GMC Sierra 1500, Auxiliary Cooler To Radiator (Upper)
• Fits 2006 GMC Yukon, Auxiliary Cooler To Radiator (Upper)
• Fits 2006 GMC Yukon XL 1500, Auxiliary Cooler To Radiator (Upper)

Common Problems This Part Addresses

• Leaking transmission cooler line at the upper radiator connection
• Corrosion or rust damage on the original steel tubing
• Cracked or hardened hose sections from heat and age
• Improper routing after a damaged or bent factory line
• Transmission fluid loss from a compromised cooler hose assembly

Installation Notes and Tips

Verify the vehicle year, make, model, and upper auxiliary cooler to radiator position before ordering. Inspect the mating quick connect fittings, surrounding brackets, and nearby heat shielding during replacement so the new hose can be routed correctly and seated securely. Confirm the line length and routing match the original assembly on the vehicle.

Quality Assurance

Sunsong manufactures this hose assembly with high-grade steel tubing, zinc plating, and temperature resistance that exceeds original equipment requirements for the listed application. Part number 5801048 is built to OE-style standards for direct replacement use on the specified GM fitments.