Dorman 918-317 Power Steering Cooler

Power Steering Cooler for Chevrolet and GMC Heavy-Duty Trucks

The Dorman 918-317 power steering cooler is designed to maintain optimal fluid temperature in your heavy-duty Chevrolet and GMC trucks. Engineered with durable steel construction, this cooler helps protect your power steering system from overheating during demanding driving conditions.

• Constructed from robust steel for long-lasting durability
• Measures 30.75 inches in length and 12.08 inches in height for efficient cooling
• Black finish for corrosion resistance and a clean appearance
• Inlet and outlet fittings feature 0.374 inch inside diameter and 0.65 inch outside diameter barb connections
• Includes one power steering cooler, two hoses, a hardline, and clamps for complete installation
• Compatible with Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models

Durable Steel Construction and Precise Fitment

The Dorman 918-317 power steering cooler is crafted from steel to withstand the rigors of heavy-duty use. Its 30.75-inch length and 12.08-inch height provide ample surface area to dissipate heat effectively, helping to maintain the power steering fluid at a safe operating temperature. The black coating offers additional protection against corrosion, extending the life of the cooler. Both inlet and outlet fittings use barb-type connections with matching inside and outside diameters (0.374 inch inside, 0.65 inch outside) to ensure a secure and leak-free fit with the included hoses and hardline.

Compatible Vehicles and Part Number Details

This power steering cooler is specifically designed for use with Chevrolet Silverado 2500 HD and 3500 HD, as well as GMC Sierra 2500 HD and 3500 HD trucks. The part number 918-317 ensures you receive the correct component engineered to meet the specifications of these heavy-duty models. Using the correct cooler helps maintain steering performance and system reliability under heavy loads and extended operation.

Common Issues Addressed by the Power Steering Cooler

• Prevents power steering fluid overheating during heavy towing or hauling
• Reduces risk of premature power steering pump failure due to excessive heat
• Helps maintain consistent steering response and performance
• Minimizes fluid degradation caused by high operating temperatures
• Protects seals and hoses from heat-related damage

Installation Notes and Tips

• Includes all necessary components: cooler, hoses, hardline, and clamps for straightforward installation
• Ensure all fittings are securely connected to prevent leaks
• Inspect existing power steering lines for wear before installation
• Follow vehicle-specific service manual instructions for removal and replacement
• Bleed the power steering system after installation to remove air

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 918-317 power steering cooler undergoes rigorous quality checks to ensure durability and performance. While specific warranty terms may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for detailed warranty information.