Dorman 918-295 Automatic Transmission Oil Cooler - Auxiliary

Reliable Automatic Transmission Oil Cooler for Chevrolet and GMC Trucks

The Dorman 918-295 automatic transmission oil cooler is designed to maintain optimal transmission fluid temperatures for heavy-duty Chevrolet and GMC trucks. Engineered with durable aluminum construction, this cooler supports efficient heat dissipation to help protect your vehicle's transmission system.

• Length: 22.875 inches for effective cooling surface area
• Thickness and width: 1.27 inches each, providing a compact yet efficient design
• Core material: Aluminum for lightweight durability and corrosion resistance
• Core row quantity: 10 rows to maximize heat exchange
• Inlet and outlet diameters: 0.626 inches with quick connect attachment types for easy installation
• Finish: Black coating for added protection against environmental elements
• Compatible with Chevrolet Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models

Durable Construction and Precise Fitment

The Dorman 918-295 automatic transmission oil cooler features a robust aluminum core with 10 rows of tubes, each measuring 0.85 inches in width, ensuring efficient heat transfer. Its compact dimensions—22.875 inches in length, 5.39 inches in height, and 1.27 inches in depth—allow it to fit seamlessly within the engine bay of compatible Chevrolet and GMC heavy-duty trucks. The black finish adds corrosion resistance, extending the cooler's service life. Quick connect inlet and outlet fittings with 0.626-inch diameters simplify installation and replacement without the need for additional hardware.

Compatible Vehicles and Applications

This automatic transmission oil cooler is specifically designed for use with Chevrolet Silverado 2500 HD and 3500 HD, as well as GMC Sierra 2500 HD and 3500 HD models. It is ideal for maintaining transmission fluid temperatures under heavy load or towing conditions, helping to prevent overheating and transmission damage.

• Prevents transmission fluid overheating during heavy towing or hauling
• Reduces risk of transmission failure caused by excessive heat
• Maintains consistent transmission performance and longevity
• Helps avoid costly transmission repairs due to fluid degradation

Installation Notes and Tips

The Dorman 918-295 cooler is designed for straightforward installation using the included quick connect fittings. No additional installation hardware is required. Ensure the vehicle is cool and safely supported before beginning installation. Inspect existing transmission lines for wear or damage and replace if necessary to ensure a secure connection. Properly route the cooler to avoid contact with moving parts or excessive heat sources.

Quality Assurance and Warranty

Dorman provides this automatic transmission oil cooler as a standard replacement part, manufactured to meet or exceed OEM specifications. The aluminum core and protective black finish contribute to its durability and corrosion resistance. While installation hardware is not included, the product is backed by Dorman's quality standards to ensure reliable performance in Chevrolet Silverado and GMC Sierra heavy-duty trucks. Please refer to Dorman's warranty policy for specific coverage details.