Dorman 918-203 Automatic Transmission Oil Cooler

Overview of Dorman 918-203 Automatic Transmission Oil Cooler

The Dorman 918-203 automatic transmission oil cooler is designed to provide reliable cooling performance for Ford Escape and Mercury Mariner models. Featuring a durable aluminum construction and precise dimensions, this cooler helps maintain optimal transmission fluid temperatures under various driving conditions.

• Constructed from corrosion-resistant aluminum with a black finish
• Core dimensions: 23 inches width, 3.5 inches height, and 0.9 inches depth
• Equipped with 9 core rows for efficient heat dissipation
• Inlet and outlet hose barb attachment types with 0.38-inch diameter
• Standard replacement grade for dependable performance
• Includes cooler and mounting brackets; installation hardware not included

Detailed Product Description

The Dorman 918-203 automatic transmission oil cooler is engineered to fit specific Ford Escape and Mercury Mariner vehicles, ensuring compatibility and ease of installation. Its aluminum core with nine rows provides effective heat exchange, helping to prevent transmission overheating. The black finish offers additional protection against corrosion and wear. Both inlet and outlet connections use hose barb fittings with a 0.38-inch diameter, facilitating secure hose attachment. This cooler is a standard replacement part, designed to meet OEM specifications without the inclusion of additional installation hardware.

Common Applications and Problem Solving

• Prevents transmission fluid overheating during heavy towing or extended driving
• Reduces risk of transmission failure caused by excessive heat
• Replaces damaged or leaking transmission oil coolers
• Improves transmission fluid cooling efficiency in Ford Escape and Mercury Mariner vehicles
• Helps maintain transmission performance and longevity

Installation Notes and Tips

Installation of the Dorman 918-203 cooler requires basic mechanical skills and appropriate tools. Since installation hardware is not included, ensure you have compatible mounting brackets and hose clamps. Verify hose barb sizes match your vehicle’s transmission lines. Inspect existing hoses and fittings for wear or damage before installation. Properly secure all connections to prevent leaks and ensure optimal cooling performance.

Quality Assurance and Warranty

Dorman manufactures the 918-203 automatic transmission oil cooler to meet standard replacement part quality requirements. The aluminum construction and black finish provide durability and corrosion resistance. While specific warranty details may vary, Dorman typically offers limited warranties on their replacement parts to cover defects in materials and workmanship. Refer to Dorman’s official documentation for exact warranty terms.