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                • Engine
                • Suspension
                • Drivetrain
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                • Interior
                • Accessories
                  • Power Packages
                  • ECU Tuning
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                  • Intercoolers
                  • Exhaust
                  • Turbochargers
                  • Cooling System
                  • Fuel and Ignition
                  • Engine Components
                  • Other Engine
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                  • Springs
                  • Shocks / Struts
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                  • Sway Bars
                  • Bushings and End Links
                  • Lift Kits & Chassis Spacers
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                  • Other Suspension
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                  • Other Drivetrain
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                  • Other Brakes
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                  • Wheel Accessories
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                  • Hoods
                  • OEM Exterior
                  • Other Exterior
                  • Gauges
                  • Floor Mats
                  • Shift Knobs
                  • Lighting
                  • Steering Wheels & Pedals
                  • Miscellaneous Interior
                  • Fluids & Cleaners
                  • Clothing
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                  Home / Cooling System / Page 2 of 3

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                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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 $265.00
                  GrimmSpeed Radiator Shroud with Tool Tray 2008-2014 WRX/STI
                  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
                  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
                  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
                  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
                  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
                  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 2008-2021 WRX STI
                  Subaru OEM Oil Cooler 2008-2021 WRX STI
                  ✓

                  EJ25 GR GV metalmani VASTI

                  e_code, b_code, mani_type

                  Subaru OEM Oil Cooler 2008-2021 WRX STI $346.12
                  Subaru OEM Radiator Stays 2002-2007 WRX/STI
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  Subaru Radiator Air Seal 2002-2007 WRX/ STI
                  ✓

                  EJ20 EJ25 GD GR metalmani

                  e_code, b_code, mani_type

                  Subaru Radiator Air Seal 2002-2007 WRX/ STI $9.45
                  Gates Radiator Hose 2008-2014 WRX/STI
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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
                  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)
                  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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                  Contact Information

                  Mach V Motorsports
                  45690 Elmwood Court, Suite 170
                  Sterling, Virginia, 20166

                  (571) 434-8333
                  General: gofast@machv.com
                  Install: service@machv.com

                  Hours (Eastern time)
                  Mon-Fri 9:30 am - 5:30 pm
                  Sat-Sun Closed

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