Dorman 918-220 Automatic Transmission Oil Cooler

Reliable Automatic Transmission Oil Cooler for Ford, Mazda, and Mercury

The Dorman 918-220 automatic transmission oil cooler is designed to maintain optimal transmission temperatures for select Ford, Mazda, and Mercury vehicles. Engineered with durable aluminum and a black finish, this cooler supports efficient heat dissipation to help protect your transmission system.

• Constructed from corrosion-resistant aluminum with a black finish
• Core features 11 rows for effective cooling performance
• Dimensions: 9.3 inches width, 6.6 inches height, and 1.3 inches depth
• Inlet and outlet diameters both measure 18.375 mm with hose barb attachment
• Standard replacement grade, no installation hardware required

Durable Design and Precise Fitment

The Dorman 918-220 transmission oil cooler is built to meet the cooling demands of vehicles such as the Ford Explorer, Ford Ranger, Mazda B3000, Mazda B4000, and Mercury Mountaineer. Its aluminum construction ensures resistance to corrosion and heat, while the 11-row core design maximizes surface area for efficient heat exchange. The hose barb inlet and outlet fittings simplify connection to existing transmission lines without the need for additional hardware. This cooler’s compact dimensions allow for straightforward installation in the designated mounting locations of compatible vehicles.

Compatible Vehicles and Applications

This automatic transmission oil cooler is compatible with the following makes and models:

• Ford Explorer and Ranger
• Mazda B3000 and B4000
• Mercury Mountaineer

It is designed to help address common transmission cooling issues such as:

• Overheating transmission fluid during heavy towing or extended driving
• Reduced transmission efficiency due to elevated fluid temperatures
• Premature transmission wear caused by inadequate cooling
• Fluid breakdown from excessive heat exposure
• Potential transmission failure from sustained high temperatures

Installation Notes and Tips

The Dorman 918-220 cooler installs easily without the need for additional hardware. Its hose barb inlet and outlet fittings are compatible with standard transmission cooler lines. When installing, ensure all connections are secure and free of leaks. It is recommended to inspect transmission fluid levels and condition after installation to confirm proper operation. This cooler is intended as a direct replacement for the original equipment cooler on compatible Ford, Mazda, and Mercury models.

Quality Assurance and Warranty

Dorman provides this automatic transmission oil cooler as a standard replacement part manufactured to meet OEM specifications. The aluminum construction and black finish contribute to long-term durability and corrosion resistance. While specific warranty details may vary, Dorman typically offers coverage against defects in materials and workmanship to ensure reliable performance.