Dorman 918-318 Power Steering Cooler

Overview of the Dorman Power Steering Cooler 918-318

The Dorman 918-318 power steering cooler is designed to maintain optimal fluid temperature for Jeep Commander and Grand Cherokee models. Constructed from durable aluminum, this cooler helps protect your power steering system from overheating during demanding driving conditions.

• Material: High-quality aluminum for efficient heat dissipation
• Length: 27.71 inches for effective cooling surface area
• Color: Black finish for corrosion resistance
• Height: 4.5 inches, compact design for easy installation
• Inlet fitting inside diameter: 0.485 inches
• Outlet fitting inside diameter: 0.23 inches
• Inlet fitting outside diameter: 0.675 inches
• Outlet fitting outside diameter: 0.375 inches
• Overall width: 0.91 inches

Detailed Product Description

The Dorman 918-318 power steering cooler is engineered to fit select Jeep models, specifically the Commander and Grand Cherokee. Its aluminum construction ensures efficient heat transfer, helping to reduce the temperature of power steering fluid. The cooler’s dimensions, including a length of 27.71 inches and a height of 4.5 inches, provide a balance between cooling capacity and space efficiency. The black finish offers additional protection against corrosion, extending the component’s service life. Precise inlet and outlet fitting diameters ensure compatibility with the vehicle’s existing power steering lines, facilitating a secure and leak-free connection.

Common Applications and Problem Solving

• Prevents power steering fluid overheating during heavy towing or off-road use
• Reduces risk of power steering pump damage caused by excessive heat
• Helps maintain consistent steering performance under high load conditions
• Minimizes fluid degradation to extend power steering system lifespan
• Supports reliable operation in Jeep Commander and Grand Cherokee vehicles

Installation Notes and Tips

Installation of the Dorman 918-318 power steering cooler requires basic mechanical skills and tools. Ensure the vehicle is safely supported and the power steering system is depressurized before removal of the old cooler. Verify that the inlet and outlet fittings match the existing hose diameters (0.485 inches inside diameter for inlet, 0.23 inches inside diameter for outlet) to avoid leaks. Use appropriate clamps and torque specifications to secure connections. Inspect the cooler for any damage before installation and test the system for leaks after completion.

Quality Assurance and Warranty

Dorman power steering components are manufactured to meet or exceed OEM standards. The 918-318 power steering cooler undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.