Dorman 918-559 Automatic Transmission Oil Cooler

Overview of Dorman 918-559 Automatic Transmission Oil Cooler

The Dorman 918-559 automatic transmission oil cooler is designed specifically for Toyota Tacoma models, providing reliable cooling performance to maintain optimal transmission temperatures. This standard replacement cooler features durable materials and precise dimensions to ensure proper fit and function.

• Core material constructed from aluminum for efficient heat dissipation
• Dimensions: 14.9 inches length, 3.2 inches height, and 1 inch depth
• Core design includes 6 cooling rows and 6 core rows for effective transmission fluid cooling
• Inlet and outlet attachment types are hose barb with 0.5 inch diameter
• Finished in black for corrosion resistance and durability
• Standard replacement grade with no mounting or installation hardware included

Detailed Product Description

The Dorman 918-559 automatic transmission oil cooler is engineered to fit Toyota Tacoma vehicles, ensuring compatibility and ease of installation. Its aluminum core material promotes efficient heat transfer, helping to prevent transmission overheating during demanding driving conditions. The cooler measures 14.9 inches in length and 3.2 inches in height, with a thickness of 1 inch, making it a compact yet effective component. Featuring 6 rows in both the core and cooling sections, this cooler maximizes fluid contact area for improved cooling performance. The inlet and outlet connections utilize hose barb fittings with a 0.5 inch diameter, facilitating secure hose attachment. Finished in black, the cooler resists corrosion and maintains structural integrity over time.

Common Applications and Problem Solving

• Prevents transmission fluid overheating in Toyota Tacoma vehicles
• Replaces damaged or leaking transmission oil coolers
• Helps maintain transmission performance under heavy load or towing conditions
• Reduces risk of transmission failure due to excessive heat
• Supports extended transmission component lifespan by maintaining proper fluid temperature

Installation Notes and Tips

Installation of the Dorman 918-559 automatic transmission oil cooler requires compatible hose barb fittings and appropriate transmission fluid lines. Note that mounting and installation hardware are not included, so ensure you have the necessary brackets and fasteners before beginning installation. Properly secure all hose connections to prevent leaks and verify that the cooler is mounted in a location with adequate airflow for optimal cooling efficiency.

Quality Assurance and Warranty

This Dorman automatic transmission oil cooler is a standard replacement part manufactured to meet OEM specifications for Toyota Tacoma vehicles. It is constructed with durable steel and aluminum materials to provide reliable service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.