OE Solutions™ Power Steering Cooler (918-308) by Dorman®. Quantity: 1 per Pack. Coated for high corrosion resistance and increased protection against the elements, Dorman’s Power Steering Fluid Cooler ensures long-lasting service. It is engineered to effectively cool the power steering fluid that flows through it, thereby prolonging the fluid’s life and helping to prevent leaks and the possibility of overheating.