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    Home / Cooling System / Page 2 of 3

    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 cooling system parts below to find exactly what you need for your WRX, STI, or BRZ, from radiator hoses to water pumps, radiator caps to thermostats.

    If you're looking for coolant, that's over in the Fluids and Cleaners section.

    Subaru OEM Water Pump 2002-2005 WRX

    EJ20 GD GG metalmani

    e_code, b_code, mani_type

    Subaru OEM Water Pump 2002-2005 WRX $181.75
    Subaru OEM Water Pump 2005-2007 WRX, 2004-2019 STI, 2004-2007 Forester XT

    EJ20 EJ25 GD GG GR GV metalmani SG VASTI

    e_code, b_code, mani_type

    Subaru OEM Water Pump 2005-2007 WRX, 2004-2019 STI, 2004-2007 Forester XT $163.60
    Subaru OEM Water Pump 2008-2014 WRX

    EJ25 GE GH GR GV plasticmani

    e_code, b_code, mani_type

    Subaru OEM Water Pump 2008-2014 WRX $137.85
    Subaru Water Pump Elbow

    BL BM BP EJ20 EJ25 GD GE GG GH GR GV metalmani plasticmani SF SG SH VASTI

    e_code, b_code, mani_type

    Subaru Water Pump Elbow $17.00
    Subaru Water Return Line Turbo-to-Head 2008-2014 WRX

    EJ25 GE GH GR GV plasticmani

    e_code, b_code, mani_type

    Subaru Water Return Line Turbo-to-Head 2008-2014 WRX $25.43
    Subaru Water Pump Bypass Hose 2002-2014 WRX/2004-2021 STI

    BL BM BP EJ20 EJ25 GD GG GH GR GV metalmani plasticmani SJ

    e_code, b_code, mani_type

    Subaru Water Pump Bypass Hose 2002-2014 WRX/2004-2021 STI from $8.98
    Mishimoto Radiator Hose Kit 2004-2008 Forester XT

    EJ25 metalmani SG

    e_code, b_code, mani_type

    Mishimoto Radiator Hose Kit 2004-2008 Forester XT $105.95
    COBB Coolant Overflow Tank 2015-2021 WRX/STI

    EJ25 FA20T metalmani plasticmani post-facelift pre-facelift VASTI VAWRX

    , e_code, b_code, mani_type

    COBB Coolant Overflow Tank 2015-2021 WRX/STI $250.00
    GrimmSpeed Radiator Shroud with Tool Tray 2008-2014 WRX/STI

    EJ25 GE GH GR grm096008 grm096009 GV metalmani plasticmani

    e_code, b_code, mani_type,

    GrimmSpeed Radiator Shroud with Tool Tray 2008-2014 WRX/STI $70.00
    Killer B Dual Reservoir Washer/Coolant 2002-2021 WRX/STI

    EJ FA20T GD GE GH GR GV metalmani plasticmani VASTI VAWRX

    e_code, b_code, mani_type,

    Killer B Dual Reservoir Washer/Coolant 2002-2021 WRX/STI $495.00
    Aisin Water Pump 2002-2007 WRX and 2004-2021 STI
    Sale

    21111AA240B EJ20 EJ25 GD GG GR GV metalmani VASTI

    e_code, b_code, mani_type

    Aisin Water Pump 2002-2007 WRX and 2004-2021 STI $110.00 $141.00
    Aisin Water Pump 2008-2014 WRX
    Sale

    21111AA250B EJ25 GE GH GR GV plasticmani

    e_code, b_code, mani_type

    Aisin Water Pump 2008-2014 WRX $110.00 $159.00
    Subaru Oil Cooler Connector Kit 2002-2007 WRX/STI

    BL BP EJ20 EJ25 GD GG metalmani plasticmani SG

    e_code, b_code, mani_type

    Subaru Oil Cooler Connector Kit 2002-2007 WRX/STI $119.00
    Subaru Coolant Overflow Tank 2002-2007 WRX and STi

    EJ20 EJ25 GD GG metalmani

    e_code, b_code, mani_type

    Subaru Coolant Overflow Tank 2002-2007 WRX and STi $80.18
    Subaru OEM Oil Cooler 2008+ STI

    EJ25 GR GV metalmani VASTI

    e_code, b_code, mani_type

    Subaru OEM Oil Cooler 2008+ STI $330.65
    Subaru OEM Radiator Stays 2002-2007 WRX/STI
    Sale

    brackets EJ20 EJ25 GD GG metalmani support

    e_code, b_code, mani_type

    Subaru OEM Radiator Stays 2002-2007 WRX/STI $16.50 $31.50
    Cobb Radiator Shroud for 2015-2021 WRX/STI

    EJ25 FA20 metalmani plasticmani rad shroud VASTI VAWRX

    , e_code, b_code, mani_type

    Cobb Radiator Shroud for 2015-2021 WRX/STI $110.00
    Subaru OEM Lower Radiator Bushings 2002-2021 WRX/STI

    BL bm BP EJ20 EJ25 FA20 FA20T GD GE GG GH GR GV JP metalmani plasticmani SF SG VASTI VAWRX ZC ZN

    e_code, b_code, mani_type

    Subaru OEM Lower Radiator Bushings 2002-2021 WRX/STI $6.00
    Subaru OEM Water Pipe O-Ring

    BL BM BP EJ20 EJ25 FA20 FB20 FB25 GC GD GE GG GH GP GR GV metalmani plasticmani SG SH ZC ZN

    e_code, b_code, mani_type

    Subaru OEM Water Pipe O-Ring $11.00
    Subaru OEM Quality Water Thermostat
    Sale

    BL BM BP EJ20 EJ25 FB25 GC GD GE GG GH GR GV metalmani plasticmani SG SH

    e_code, b_code, mani_type

    Subaru OEM Quality Water Thermostat $19.99 $25.95
    GrimmSpeed Radiator Shroud 2015-2021 WRX/STI

    096039 096042 EJ25 FA20T metalmani plasticmani VASTI VAWRX

    e_code, b_code, mani_type,

    GrimmSpeed Radiator Shroud 2015-2021 WRX/STI $89.00
    Subaru OEM Radiator Hose Clamp Kit
    Sale

    BL BM BP EJ20 EJ25 GC GD GE GG GH GR GV metalmani plasticmani raidator SG SH

    e_code, b_code, mani_type

    Subaru OEM Radiator Hose Clamp Kit $18.50 $20.00
    Subaru OEM Coolant Overflow Hose 2008-2020 WRX / STI

    EJ25 FA20 FA20T GE GH GR GV metalmani plasticmani SG SH VASTI

    e_code, b_code, mani_type

    Subaru OEM Coolant Overflow Hose 2008-2020 WRX / STI $12.02
    Subaru OEM Water Thermostat 2015-2023 WRX

    FA20 FA20T plasticmani SJ VAWRX VBWRX WM

    e_code, b_code, mani_type

    Subaru OEM Water Thermostat 2015-2023 WRX $39.43
    Subaru OEM Radiator Hose 2004-2008 Forester XT

    EJ25 metalmani SG

    e_code, b_code, mani_type, e_code, b_code

    Subaru OEM Radiator Hose 2004-2008 Forester XT from $26.42
    Subaru OEM Water Pump 2015-2021 WRX

    FA20T plasticmani VAWRX

    e_code, b_code, mani_type

    Subaru OEM Water Pump 2015-2021 WRX $175.00
    Subaru Water Return Line Turbo-to-Head 2002-2007 WRX/2004-2021 STI

    EJ20 EJ25 GD GG GR GV metalmani VASTI

    e_code, b_code, mani_type

    Subaru Water Return Line Turbo-to-Head 2002-2007 WRX/2004-2021 STI from $21.00
    Subaru STI Oil Cooler Kit 2008-2014 WRX

    GE GH GR plasticmani

    e_code, b_code, mani_type

    Subaru STI Oil Cooler Kit 2008-2014 WRX $499.00
    Subaru Radiator Air Seal 2008-2014 WRX/2008-2014 STI
    Sale

    BL BP EJ25 GE GH GR GV metalmani plasticmani

    e_code, b_code, mani_type

    Subaru Radiator Air Seal 2008-2014 WRX/2008-2014 STI from $16.93 $60.06
    Subaru Radiator Air Seal 2002-2007 WRX/ STI
    Sale

    EJ20 EJ25 GD GR metalmani

    e_code, b_code, mani_type

    Subaru Radiator Air Seal 2002-2007 WRX/ STI $9.00 $10.00
    Gates Radiator Hose 2008-2014 WRX/STI

    EJ25 GH GR GV metalmani plasticmani

    e_code, b_code, mani_type

    Gates Radiator Hose 2008-2014 WRX/STI from $20.00
    Subaru Radiator Air Seal 2015-2021 WRX/STI
    Sale

    EJ25 FA20T plasticmani VASTI VAWRX

    e_code, b_code, mani_type

    Subaru Radiator Air Seal 2015-2021 WRX/STI from $10.25 $238.00
    Subaru OEM Oil Cooler 2015-2021 WRX

    FA20T plasticmani VAWRX

    e_code, b_code, mani_type

    Subaru OEM Oil Cooler 2015-2021 WRX $218.28
    Subaru OEM Water Pump 2010-2012 Legacy GT

    BM EJ25 plasticmani

    e_code, b_code, mani_type

    Subaru OEM Water Pump 2010-2012 Legacy GT $182.20
    Subaru OEM Water Thermostat 2010-2012 Legacy GT

    BM EJ25 plasticmani

    e_code, b_code, mani_type

    Subaru OEM Water Thermostat 2010-2012 Legacy GT $35.75
    Subaru OEM Water Pump 2013-2020 BRZ

    BR FA20 FB25 GP plasticmani SJ ZC ZN

    e_code, b_code, mani_type

    Subaru OEM Water Pump 2013-2020 BRZ $208.50
    Subaru OEM Water Thermostat 2013+ BRZ

    FA20 FA20T FB25 plasticmani SJ ZC ZN

    e_code, b_code, mani_type

    Subaru OEM Water Thermostat 2013+ BRZ $30.40
    Mishimoto Radiator Hose Kit 2015-2021 WRX
    Sale

    FA20T plasticmani VAWRX

    e_code, b_code, mani_type

    Mishimoto Radiator Hose Kit 2015-2021 WRX from $131.95 $158.33
    Mishimoto Silicone Ancillary Hose Kit 2015-2021 WRX
    Sale

    FA20T MMHOSE-WRX-15ANC plasticmani VAWRX

    e_code, b_code, mani_type

    Mishimoto Silicone Ancillary Hose Kit 2015-2021 WRX $176.95 $244.40
    CSF Racing Aluminum Radiator 2002-2007 WRX/2004-2007 STI

    3076 EJ20 EJ25 GD GG metalmani

    e_code, b_code, mani_type

    CSF Racing Aluminum Radiator 2002-2007 WRX/2004-2007 STI $329.00
    Subaru OEM Water Pipe Kit 2006-2007 WRX/2006-2021 STI

    EJ25 GD GG GR GV hawkeye metalmani post-facelift pre-facelift VASTI

    e_code, b_code, mani_type

    Subaru OEM Water Pipe Kit 2006-2007 WRX/2006-2021 STI $201.34
    Killer B Water Pump Inlet 2008-2014 WRX/2004-2021 STI

    EJ25 GE GH GR GV metalmani plasticmani VASTI

    e_code, b_code, mani_type,

    Killer B Water Pump Inlet 2008-2014 WRX/2004-2021 STI from $139.00
    Killer B Water Pump Inlet 2002-2007 WRX/STI

    EJ20 EJ25 GD GG metalmani

    e_code, b_code, mani_type,

    Killer B Water Pump Inlet 2002-2007 WRX/STI from $139.00
    Perrin Radiator Shroud 2008-2014 WRX/STI
    Sale

    EJ25 GE GH GR GV metalmani plasticmani PSP-ENG-510BK PSP-ENG-510NY PSP-ENG-510RE PSP-ENG-510TE

    e_code, b_code, mani_type,

    Perrin Radiator Shroud 2008-2014 WRX/STI $74.00 $120.00
    Subaru OEM Upper Radiator Hose 2010-2012 Legacy GT

    11499 BM EJ25 plasticmani

    e_code, b_code, mani_type

    Subaru OEM Upper Radiator Hose 2010-2012 Legacy GT from $30.40
    Mishimoto Aluminum Coolant Expansion Tank 2008-2014 WRX

    BL BP EJ25 GE GH GR GV plasticmani

    e_code, b_code, mani_type

    Mishimoto Aluminum Coolant Expansion Tank 2008-2014 WRX $210.95
    Koyo Aluminum Radiator 99-01 Impreza RS / 99-02 Forester
    Sale

    EJ25SOHC GC GM metalmani

    e_code, b_code, mani_type

    Koyo Aluminum Radiator 99-01 Impreza RS / 99-02 Forester $399.00 $428.40
    Koyo Aluminum Radiator 2004-2008 Forester XT (MT)
    Sale

    EJ25 metalmani SG

    e_code, b_code, mani_type

    Koyo Aluminum Radiator 2004-2008 Forester XT (MT) $445.00 $534.00
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