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2004-2005 STI Cooling

  • GrimmSpeed Radiator Hose Kit Red 2002-2007 WRX / 2004-2007 STIGrimmSpeed Radiator Hose Kit Red 2002-2007 WRX / 2004-2007 STISave 15%
    $116.00
    $98.60

    GrimmSpeed Radiator Hose Kit Red 2002-2007 WRX / 2004-2007 STI

    Grimmspeed
    SKU #405329

    Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and...

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    $116.00
    $98.60
    Save 15%
  • Subaru OEM Super Coolant 1 Gallon
    $30.18

    Subaru OEM Super Coolant 1 Gallon

    Subaru OEM
    SKU #SOA868V9270

    Whenever performing a coolant flush, or if you’re refilling the entire coolant system due to repairs, you can always trust the Subaru OEM Super...

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    $30.18
  • Mishimoto Aluminum Coolant Expansion Tank Black 2002-2007 WRX / 2004-2016 STISave 9%
    $191.00
    $173.95

    Mishimoto Aluminum Coolant Expansion Tank Black 2002-2007 WRX / 2004-2016 STI

    Mishimoto
    SKU #MMRT-WRX-01EBK

    Add some additional reliability and engine bay styling with the Mishimoto Subaru WRX 2002–2007 / STI 2004–2016 Aluminum Coolant Expansion Tank....

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    $191.00
    $173.95
    Save 9%
  • Shop Now Your Product
  • Mishimoto Racing Thermostat 2002-2014 WRX/ 2004-2021 STI / 2005-2009 LGT / 2004-2005 FXT / 2009 FXTSave 9%
    $64.00
    $57.95

    Mishimoto Racing Thermostat 2002-2014 WRX/ 2004-2021 STI / 2005-2009 LGT / 2004-2005 FXT / 2009 FXT

    Mishimoto
    SKU #MMTS-WRX-01

    The Mishimoto racing thermostat will promote greater cooling efficiency throughout your engine. The Mishimoto racing thermostat will...

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    $64.00
    $57.95
    Save 9%
  • Koyo 1.3 Bar High Pressure Radiator Cap Hyper Red
    $49.20

    Koyo 1.3 Bar High Pressure Radiator Cap Hyper Red

    KOYO
    SKU #SK-C13

    If you just purchased the Koyo Radiator, you can maximize the performance with the Koyo 1.3 Bar High Pressure Radiator Cap! These are finished in...

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    $49.20
  • HKS Sport Super Coolant 4LHKS Sport Super Coolant 4LSave 15%
    $68.00
    $57.80

    HKS Sport Super Coolant 4L

    HKS
    SKU #52008-AK003

    Here, you are looking at the HKS Sport Super Coolant. "For More Comfortable Sporty Driving" Details: Highly balanced sport coolant withstanding...

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    $68.00
    $57.80
    Save 15%
  • Mishimoto Liquid Chill Engine Coolant Full StrengthMishimoto Liquid Chill Engine Coolant Full StrengthSave 9%
    $86.00
    $77.95

    Mishimoto Liquid Chill Engine Coolant Full Strength

    Mishimoto
    SKU #MMRA-LC-FULLF

    Do you hear that? That little sigh that's coming from your engine bay? That's your radiator asking for Mishimoto Liquid Chill® Synthetic Engine...

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    $86.00
    $77.95
    Save 9%
  • IAG Performance Subaru Wiggins Style Thermostat Housing 2002-2014 WRX / 2004-2014 STIIAG Performance Subaru Wiggins Style Thermostat Housing 2002-2014 WRX / 2004-2014 STISave 15%
    $79.99
    $67.99

    IAG Performance Subaru Wiggins Style Thermostat Housing 2002-2014 WRX / 2004-2014 STI

    IAG Performance
    SKU #IAG-ENG-2041

    When building a Subaru race car one often overlooked component is the thermostat housing. The OEM housing can restrict coolant flow, which is a...

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    $79.99
    $67.99
    Save 15%
  • GetaDomTune Cylinder 4 Chamber Cooling Mod V6 2002-2014 WRX / 2004-2021 STI / 2005-2009 Legacy GT / 2004-2013 Forester XT
    $84.99

    GetaDomTune Cylinder 4 Chamber Cooling Mod V6 2002-2014 WRX / 2004-2021 STI / 2005-2009 Legacy GT / 2004-2013 Forester XT

    GetaDomTune
    SKU #GDT-1000

    The GetaDomTune Cylinder 4 Chamber Cooling Mod was designed to increase coolant flow to cylinder #4 head area. The additional coolant flow helps...

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    $84.99
  • HKS 1.1 Bar Limited Edition Radiator CapHKS 1.1 Bar Limited Edition Radiator CapSave 5%
    $26.97
    $25.62

    HKS 1.1 Bar Limited Edition Radiator Cap

    HKS
    SKU #15009-AK004

    Here, you are looking at the HKS 1.1 Bar S-Type Radiator cap. This limited edition radiator cap from HKS allows your car to perform better and...

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    $26.97
    $25.62
    Save 5%
  • Subaru OEM Thermostat Most Subaru Models
    $32.75

    Subaru OEM Thermostat Most Subaru Models

    Subaru OEM
    SKU #21200AA072

    This is an OEM Subaru thermostat. When you want to make sure your car is exactly as it came from the factory, choose OEM Subaru parts. (This does...

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    $32.75
  • Subaru JDM STI 1.3 Bar High Pressure Radiator Cap RedSubaru JDM STI 1.3 Bar High Pressure Radiator Cap RedSave 13%
    $69.00
    $60.00

    Subaru JDM STI 1.3 Bar High Pressure Radiator Cap Red

    Subaru JDM
    SKU #ST45137ST001

    Improve your cooling system while spicing up your engine bay with a Subaru Genuine Red radiator cap. This cap is a higher pressure then the cap...

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    $69.00
    $60.00
    Save 13%
  • Mishimoto Aluminum Coolant Expansion Tank 2002-2007 WRX / 2004-2016 STISave 9%
    $191.00
    $173.95

    Mishimoto Aluminum Coolant Expansion Tank 2002-2007 WRX / 2004-2016 STI

    Mishimoto
    SKU #MMRT-WRX-01E

    Add some additional reliability and engine bay styling with the Mishimoto Subaru WRX 2002–2007 / STI 2004–2016 Aluminum Coolant Expansion Tank....

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    $191.00
    $173.95
    Save 9%
  • Mishimoto Plug and Play Aluminum Fan Shroud Kit Polished 2002-2007 WRX / 2004-2007 STISave 9%
    $304.00
    $275.95

    Mishimoto Plug and Play Aluminum Fan Shroud Kit Polished 2002-2007 WRX / 2004-2007 STI

    Mishimoto
    SKU #MMFS-WRX-01P

    Free up some engine bay space with the Mishimoto Subaru WRX/STI Plug-N-Play Aluminum Fan Shroud Kit! This kit bolts directly to your stock or...

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    $304.00
    $275.95
    Save 9%
  • Subaru OEM Thermostat Gasket Most Subaru Models
    $3.93

    Subaru OEM Thermostat Gasket Most Subaru Models

    Subaru OEM
    SKU #21236AA010

    When replacing the thermostat, it is always highly recommended that you replace the thermostat gasket. This is a Subaru OEM gasket, rest assured...

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    $3.93
  • Killer B Motorsport V2 Black Upper Turbo Coolant Reservoir w/ Barb Fittings 2002-2007 WRX / 2004-2021 STI
    $197.00

    Killer B Motorsport V2 Black Upper Turbo Coolant Reservoir w/ Barb Fittings 2002-2007 WRX / 2004-2021 STI

    Killer B Motorsports
    SKU #UTCRV2BA-B

    Killer B Upper Turbo Reservoir utilizes the OEM high point location, mounting points, Subaru filler cap, maintains proper cooling system...

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    $197.00
  • Mishimoto Aluminum Radiator 2002-2007 WRX / 2004-2007 STIMishimoto Aluminum Radiator 2002-2007 WRX / 2004-2007 STISave 9%
    $375.00
    $340.95

    Mishimoto Aluminum Radiator 2002-2007 WRX / 2004-2007 STI

    Mishimoto
    SKU #MMRAD-WRX-01

    The Mishimoto performance aluminum radiator for the Subaru WRX and STI is designed and engineered to maximize cooling efficiency by up to 30%,...

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    $375.00
    $340.95
    Save 9%
  • Blitz Racing Type 1 Radiator Cap Blue 1.3 Bar 2002-2021 WRX / 2002-2021 STISave 10%
    $19.08
    $17.17

    Blitz Racing Type 1 Radiator Cap Blue 1.3 Bar 2002-2021 WRX / 2002-2021 STI

    Blitz
    SKU #18560

    Experience superior cooling with the Blitz Racing Radiator Cap Red Type 2 2002-2021 WRX / 2002-2021 STI. Its opening pressure of 127kpa...

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    $19.08
    $17.17
    Save 10%
  • Cusco 1.3 Bar Radiator Cap Type ACusco 1.3 Bar Radiator Cap Type ASave 10%
    $34.00
    $30.60

    Cusco 1.3 Bar Radiator Cap Type A

    Cusco
    SKU #00B-050-A13

    Increase cooling efficiency and protect your car from overheating with a Cusco High Pressure Radiator Cap. A reinforced main pressure valve...

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    $34.00
    $30.60
    Save 10%
  • Subaru OEM ThreeBond RTV Grey 5.3oz Tube
    $46.66

    Subaru OEM ThreeBond RTV Grey 5.3oz Tube

    Subaru OEM
    SKU #SOA868V9610

    Here, you are looking at the Subaru OEM ThreeBond 1217H Engine RTV Silicone. This sealant is used for Valve covers, timing chain cover, oil pan,...

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    $46.66
  • Killer B Motorsport High Flow Water Pump Housing V2 Raw 2002-2014 WRX / 2004-2014 STIKiller B Motorsport High Flow Water Pump Housing V2 Raw 2002-2014 WRX / 2004-2014 STI
    $204.00

    Killer B Motorsport High Flow Water Pump Housing V2 Raw 2002-2014 WRX / 2004-2014 STI

    Killer B Motorsports
    SKU #WPHv2

    Killer B’s Water Pump Housing is a much more robust design. Designed using state of the art 3-D CAD software to assure maximum flow with minimum...

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    $204.00
  • Subaru OEM Engine Maintenance Kit
    $33.68

    Subaru OEM Engine Maintenance Kit

    Subaru OEM
    SKU #SOA868V9341

    This comprehensive fuel/emissions system cleaning kit includes three advanced formulations: Fuel Injector Cleaner, a gas tank additive that...

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    $33.68
  • Mishimoto Plug and Play Aluminum Fan Shroud Kit Black 2002-2007 WRX / 2004-2007 STISave 9%
    $327.00
    $296.95

    Mishimoto Plug and Play Aluminum Fan Shroud Kit Black 2002-2007 WRX / 2004-2007 STI

    Mishimoto
    SKU #MMFS-WRX-01PBK

    Free up some engine bay space with the Mishimoto Subaru WRX/STI Plug-N-Play Aluminum Fan Shroud Kit! This kit bolts directly to your stock or...

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    $327.00
    $296.95
    Save 9%