Dorman 918-303 Power Steering Cooler

Reliable Power Steering Cooler for Chevrolet and GMC Trucks

The Dorman 918-303 power steering cooler is engineered to maintain optimal fluid temperature in your Chevrolet or GMC truck's power steering system. Designed specifically for models like the C1500, K1500, Tahoe, and Yukon, this steel cooler helps protect your steering components from overheating and premature wear.

• Constructed from durable steel for long-lasting performance
• Overall length of 17.472 inches and width of 4.724 inches for precise fitment
• Black finish for corrosion resistance and clean appearance
• Inlet and outlet barb fittings with 0.255 inch inside diameter and 0.433 inch outside diameter
• Includes one power steering cooler, two hoses, hardline, and clamps for complete installation

Durable Steel Construction and Precise Dimensions

The Dorman 918-303 power steering cooler features a robust steel construction that withstands high temperatures and pressure within the power steering system. Measuring 17.472 inches in length and 4.724 inches in width, it fits seamlessly into the cooling circuit of compatible Chevrolet and GMC trucks. The cooler’s black finish offers additional protection against corrosion, ensuring reliable operation over time. Both inlet and outlet fittings use barb-type connections with a 0.255 inch inside diameter and 0.433 inch outside diameter, providing secure hose attachment and preventing leaks.

Compatible Chevrolet and GMC Models

This power steering cooler is compatible with a range of Chevrolet and GMC trucks, including the Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, and the GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, as well as the Chevrolet Tahoe and GMC Yukon. The Dorman 918-303 is designed to meet the specific cooling requirements of these vehicles, ensuring proper fluid temperature regulation and system longevity.

Common Applications and Problem Resolution

• Prevents power steering fluid overheating during heavy-duty or towing conditions
• Reduces risk of power steering pump failure due to excessive heat
• Helps maintain consistent steering performance and responsiveness
• Addresses leaks or damage in existing power steering cooler assemblies
• Replaces worn or corroded coolers to restore system efficiency

Installation Notes and Tips

Installation of the Dorman 918-303 power steering cooler includes two hoses, a hardline, and clamps for a complete setup. Ensure all fittings are securely tightened to prevent leaks. It is recommended to inspect the power steering fluid condition and replace it if contaminated during installation. Proper routing of hoses is essential to avoid kinks or interference with other engine components.

Quality Assurance and Warranty

Dorman power steering components are manufactured to meet or exceed OEM specifications. The 918-303 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 for this part.