Dual Circuit Oil Cooler w/Fan 8an 8 & 8 Pass

The Dual Circuit Oil Cooler w/Fan 8an 8 & 8 Pass from DERALE is engineered for serious performance drivers and builders who demand reliable engine temperature management under sustained high-load conditions. Built as a standalone cooling solution, this unit addresses a critical weakness in high-horsepower and turbocharged applications where factory oil systems struggle to dissipate heat. Whether you're running aggressive track days, towing heavy loads, or pushing engine output beyond stock parameters, uncontrolled oil temperature accelerates wear, degrades lubrication film, and risks catastrophic bearing failure—making effective cooling non-negotiable for longevity.

The dual-circuit design with 8AN inlet and outlet ports on each pass maximizes flow rate and thermal transfer by segregating coolant paths, allowing independent temperature regulation and redundancy if one circuit experiences restriction. The integrated electric fan cycles intelligently to maintain target oil temps without excessive parasitic load, while the aluminum core construction provides excellent heat dissipation efficiency. The 8-pass internal configuration forces oil through multiple baffles, extending dwell time in the cooler matrix and optimizing heat exchange—this proven multi-pass geometry is standard in professional racing and high-performance OEM applications. Compact overall dimensions (14.95 x 6.8 x 19.4 inches) fit tight engine bays without sacrificing core size or effectiveness.

This cooler suits LS platform builds, modern boosted four-cylinders, modified naturally aspirated engines, and any application where OEM oil cooling falls short. Installation requires 8AN hardline or hose routing from your engine's oil filter block or sandwich adapter to the cooler inlet, then return to the pan or filter housing—standard practice on custom engine builds. The dual-circuit topology is particularly valuable for twin-turbo or supercharged powerplants where one circuit can feed the turbo's oil supply while the other manages sump return, enabling precise thermal control. Weighing 8.88 lbs, it mounts easily to frame rails or engine bay structure with minimal additional fabrication. Verify line routing and cooler placement clearance before installation to ensure adequate airflow to the fan and unrestricted oil return paths.