Cooling System

Your engine is cooled by a mix of ethylene glycol and water, circulated through a radiator by a belt-driven pump. Proper maintenance of your Subaru cooling system is critical to keeping your engine happy and healthy! Browse our Subaru radiator parts below to find exactly what you need, from WRX radiator hoses to OEM water pumps.
Mishimoto Radiator 2002-2007 Impreza/WRX/STI Quick View
Mishimoto Radiator 2002-2007 Impreza/WRX/STI $285.00 $360.00
Sale
Mishimoto Radiator FR-S/ BRZ Quick View
Mishimoto Radiator FR-S/ BRZ $315.00 $420.00
Sale
Mishimoto X line Radiator 2002-2007 WRX/STI Quick View
Mishimoto X line Radiator 2002-2007 WRX/STI $348.75 $465.00
Sale

Fuku Works Radiator Hoses 2008-2014 WRX/STI and 2005-2009 Legacy GT/Outback XT Quick View
Fuku Works Radiator Hoses 2008-2014 WRX/STI and 2005-2009 Legacy GT/Outback XT $109.00 $119.00
Sale
Fuku Works Radiator Hose Kit BRZ/FR-S Blue Quick View
Fuku Works Radiator Hose Kit BRZ / FR-S $159.00

Samco Silicone Radiator Hoses 2008-2014 WRX, 2008+ STI, 2005-2009 Legacy GT/Outback XT Quick View
Samco Silicone Radiator Hoses 2008-2014 WRX, 2008+ STI, 2005-2009 Legacy GT/Outback XT $106.11 $117.00
Sale
Cut-Proof Radiator Clamp Set (BRZ / FR-S) Quick View
Cut-Proof Radiator Clamp Set (BRZ / FR-S) $23.00
Cut-Proof Radiator Hose Clamps Quick View
Cut-Proof Radiator Hose Clamps $16.00


SPT Radiator Shroud 2002-2007 WRX/STI Quick View
SPT Radiator Shroud 2002-2007 WRX/STI $89.95
Mishimoto CF Radiator Cap Quick View
Mishimoto CF Radiator Cap $30.00 $40.00
Sale
Mishimoto Racing Thermostat 2002-2014 WRX/2004-2017 STi Quick View
Mishimoto Racing Thermostat 2002-2014 WRX/2004-2017 STi $48.01 $60.00
Sale

Moroso Coolant Reservoir 2002-2007 WRX/STI Quick View
Moroso Coolant Reservoir 2002-2007 WRX/STI $175.00
OEM Subaru Expansion Tank Cap Quick View
OEM Subaru Expansion Tank Cap $20.00
OEM Subaru Radiator Cap Quick View
OEM Subaru Radiator Cap $20.00

STi Radiator Cap Quick View
STi Radiator Cap $76.95
Cobb Radiator Cap Quick View
Cobb Radiator Cap $25.00
Subaru OEM Water Thermostat Quick View
Subaru OEM Water Thermostat $21.95

Subaru Water Thermostat Gasket Quick View
Subaru Water Thermostat Gasket $4.00
Mishimoto Aluminum Radiator Fan Shroud Kit 2008-2014 WRX/STI Quick View
Mishimoto Aluminum Radiator Fan Shroud Kit 2008-2014 WRX/STI $238.00 $340.00
Sale

Subaru Upper Radiator Hose 2002-2007 WRX and STi Quick View
Subaru Upper Radiator Hose 2002-2007 WRX and STi $19.95

Subaru OEM Upper Radiator Hose 2005-2009 Legacy GT Quick View
Subaru OEM Upper Radiator Hose 2005-2009 Legacy GT $24.50
Subaru 2008-2014 WRX / STi Lower Radiator Hose Quick View
Subaru 2008-2014 WRX / STi Lower Radiator Hose $19.95

Subaru 2008-2014 WRX / STi Upper Radiator Hose Quick View
Subaru 2008-2014 WRX / STi Upper Radiator Hose $24.50
Subaru OEM Lower Radiator Hose 2002-2007 WRX / STi Quick View
Subaru OEM Lower Radiator Hose 2002-2007 WRX / STi $19.95
Subaru OEM Water Pump 2002-2014 2.5 non-turbo Quick View
Subaru OEM Water Pump 2002-2014 2.5 non-turbo $99.00

Subaru OEM Water Pump 2008-2014 Legacy GT Quick View
Subaru OEM Water Pump 2008-2014 Legacy GT $145.95
Koyo Aluminum Radiator 2003-2007 WRX and STI Quick View
Koyo Aluminum Radiator 2003-2007 WRX and STI $293.04 $438.00
Sale

Mishimoto Radiator Hose Kit 2008-20014 WRX and 2008+ STI Quick View
Mishimoto Radiator Hose Kit 2008-20014 WRX and 2008+ STI $93.00 $155.00
Sale
Fuku Works Radiator Hoses 2002-2007 WRX/STI Quick View
Fuku Works Radiator Hoses 2002-2007 WRX/STI $109.00 $119.00
Sale

Gates Radiator Hose 2002-2007 WRX/STI Quick View
Gates Radiator Hose 2002-2007 WRX/STI from $17.88
Gates Water Pump 2008-2012 Forester XT and WRX Quick View
Gates Water Pump 2008-2012 Forester XT and WRX $55.00 $79.00
Sale

APR Carbon Fiber Radiator Shroud 2008-2014 WRX/STI Quick View
APR Carbon Fiber Radiator Shroud 2008-2014 WRX/STI $149.50 $163.00
Sale

Perrin Radiator Shroud for 2015 WRX / STi Quick View
Perrin Radiator Shroud for 2015 WRX / STi $85.50 $95.00
Sale
Subaru OEM Coolant Reservoir Cap (EJ motor) Quick View
Subaru OEM Coolant Reservoir Cap (EJ motor) $5.00
Mishimoto Radiator Stays 2002-2007 WRX/STI Quick View
Mishimoto Radiator Stays 2002-2007 WRX/STI $22.50 $31.50
Sale

-->