CSF O-Series Radiator with Oil Cooler for EJ WRX/STi Topline The 70266 B&M cooler was

The 70266 B&M cooler was discontinued in February 2023

Float / Pulse maintenance ensures ideal battery care during periods of inactivity

By conforming to all requirements of the Federal Motor Vehicle Safety Standard Number 106

STM does not warranty batteries

These units are NOT remanufactured cores

CSF O-Series Radiator with Oil Cooler for EJ WRX/STi Topline The 70266 B&M cooler wasThe CSF "O" Series WRX STi aluminum radiators feature a liquid to oil cooler built into the bottom end tank. This makes the oil temp regulated by the thermostat of the cooling system. Available for 2002 2007 and 2008+ EJ WRX STi models. This radiator has a show quality polished finish and is a direct fit with all the OEM brackets, fittings, AC condenser, hoses and fan shrouds (only minor trimming needed at fitting locations). Vehicle Fitment: Part