4 Pass Power Steering Cooler

The DERALE 4 Pass Power Steering Cooler (Part #13212) is a tube-type fluid cooler engineered to maintain optimal power steering fluid temperatures under sustained load. Constructed from aluminum and copper with a black powder-coat finish, this compact 9.4 x 2.4 x 12.5-inch cooler integrates seamlessly into modern power steering systems where thermal management is critical to preserving fluid viscosity and component longevity.

The four-pass core design maximizes heat dissipation by routing fluid through multiple internal passages, allowing longer contact time between the hot steering fluid and the cooler's aluminum surface. This multi-pass architecture is more effective than single-pass designs at reducing fluid temperatures during high-demand scenarios—extended towing, high-speed cornering, or sustained off-road driving where power steering systems work continuously. The 11/32-inch hose barb inlets and outlets accept standard power steering hose, and the unit arrives as a complete kit with all necessary hardware and hose fittings included, eliminating the need to source adapters separately.

This cooler is ideal for users who regularly operate vehicles under conditions that elevate steering fluid temperature—commercial fleet drivers, off-road enthusiasts, those towing heavy loads, or owners of modified vehicles with upgraded power steering pumps. Power steering fluid degrades rapidly when exposed to sustained high temperatures, leading to reduced lubrication, increased wear on the pump and control valve, and potential loss of steering assist. The DERALE cooler addresses this by dropping fluid temperature before it can cause system degradation, extending component service life and maintaining consistent steering response across varied operating conditions.

DERALE is an established manufacturer of cooling products for automotive fluid systems, known for aluminum and copper construction methods that balance thermal performance with durability. The black powder-coat finish resists corrosion and provides a professional appearance in engine bays. At 1.7 pounds, the cooler is lightweight enough for easy mounting on frame rails, brackets, or radiator shrouds without adding significant unsprung or suspended weight to the vehicle.