CSF O-Series Radiator with Oil Cooler for EJ WRX/STi Topline Float / Pulse maintenance ensures

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

and backed by a Lifetime Warranty

and even the sides

releasing the full fury of the engine

CSF O-Series Radiator with Oil Cooler for EJ WRX/STi Topline Float / Pulse maintenance ensuresThe 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