Dorman 918-290 Automatic Transmission Oil Cooler

Reliable Automatic Transmission Oil Cooler for Chevrolet and GMC

The Dorman 918-290 automatic transmission oil cooler is designed to maintain optimal transmission temperatures for Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. Engineered with durable materials and precise dimensions, this cooler supports efficient heat dissipation to protect your vehicle's transmission system.

• Core material constructed from aluminum for effective heat transfer
• Dimensions: 19.59 inches length, 5.425 inches width, and 5.4 inches depth
• Black finish for corrosion resistance and durability
• Quick connect inlet and outlet attachment types with 0.625-inch diameter lines
• 216 core rows to maximize cooling surface area
• Standard replacement grade steel frame for structural integrity
• Package includes one transmission oil cooler (installation hardware not included)

Product Details and Specifications

The Dorman 918-290 transmission oil cooler features a robust aluminum core with a thickness of 0.475 inches and a core tube width of 0.475 inches, ensuring efficient heat exchange. Its black finish helps resist corrosion, extending the cooler's service life. The cooler measures 19.5 inches in height and 5.4 inches in depth, fitting precisely within the transmission cooling system of compatible Chevrolet and GMC vans. Both the inlet and outlet have quick connect fittings with a 0.625-inch diameter, facilitating straightforward installation and secure fluid flow.

Compatible Vehicles and Applications

This transmission oil cooler is compatible with the following vehicles:

• Chevrolet Express 2500
• Chevrolet Express 3500
• GMC Savana 2500
• GMC Savana 3500

It is designed to replace the original transmission oil cooler and maintain proper transmission fluid temperatures under various driving conditions.

Common Issues Addressed by the Dorman 918-290

• Overheating of automatic transmission fluid
• Reduced transmission performance due to excessive heat
• Premature transmission wear caused by inadequate cooling
• Leaks or damage in the original transmission oil cooler
• Transmission fluid contamination from cooler failure

Installation Notes and Tips

Installation of the Dorman 918-290 transmission oil cooler requires basic mechanical skills and tools. Note that installation hardware is not included, so retain original mounting components or acquire compatible hardware. The quick connect inlet and outlet fittings simplify hose connections, but ensure all connections are secure to prevent leaks. Verify compatibility with your Chevrolet Express or GMC Savana model year before installation.

Quality Assurance and Warranty

Dorman provides this transmission oil cooler as a standard replacement part, manufactured to meet or exceed OEM specifications. The steel frame and aluminum core materials are selected for durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship to support product reliability.