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    • Reservoir, Overflow, and Expansion Tanks

    Reservoir, Overflow, and Expansion Tanks

    • Direct-fit and universal options
    • Aluminum construction
    • Multiple color and finish options
    • Lifetime Warranty
    Shop all Reservoir, Overflow, and Expansion Tanks

    Reservoir, Overflow, and Expansion Tanks

    Direct-fit kits

    Mishimoto direct-fit expansion tanks are designed for a bolt-in install.

    Multiple colors and finishes

    Mishimoto reservoir, overflow, and expansion tanks are available in a variety of colors and finishes to spice up your engine bay.

    Reservoir, Overflow, and Expansion Tanks

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    • Aluminum Expansion Tank, fits Ford Fiesta ST 2014–2019
      Aluminum Expansion Tank, fits Ford Fiesta ST 2014–2019
      Aluminum Expansion Tank, fits Ford Fiesta ST 2014–2019
      Aluminum Expansion Tank, fits Ford Fiesta ST 2014–2019
      Aluminum Expansion Tank, fits Ford Fiesta ST 2014–2019
      Aluminum Expansion Tank, fits Ford Fiesta ST 2014–2019
      Aluminum Expansion Tank, fits Ford Fiesta ST 2014–2019
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      Aluminum Expansion Tank, fits Ford Fiesta ST 2014–2019

      Regular Price: $277.96

      Sale Price $209.95

    • Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+
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      Aluminum Coolant Overflow Tank, fits Subaru WRX/STI 2008+

      Regular Price: $266.38

      Sale Price $201.95

    • Aluminum Coolant Reservoir Tank
      Aluminum Coolant Reservoir Tank
      Aluminum Coolant Reservoir Tank
      Aluminum Coolant Reservoir Tank
      Aluminum Coolant Reservoir Tank
      Aluminum Coolant Reservoir Tank
      Aluminum Coolant Reservoir Tank
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      Aluminum Coolant Reservoir Tank

      Regular Price: $115.82

      Sale Price $88.95

    • Aluminum Coolant Expansion Tank, fits BMW E36 1992–1999
      Aluminum Coolant Expansion Tank, fits BMW E36 1992–1999
      Aluminum Coolant Expansion Tank, fits BMW E36 1992–1999
      Aluminum Coolant Expansion Tank, fits BMW E36 1992–1999
      Aluminum Coolant Expansion Tank, fits BMW E36 1992–1999
      Aluminum Coolant Expansion Tank, fits BMW E36 1992–1999
      Aluminum Coolant Expansion Tank, fits BMW E36 1992–1999
      Aluminum Coolant Expansion Tank, fits BMW E36 1992–1999
      QUICK VIEW

      Aluminum Coolant Expansion Tank, fits BMW E36 1992–1999

      Regular Price: $215.30

      Sale Price $163.95

    • Aluminum Coolant Expansion Tank fits Subaru WRX 2002–2007 / STI 2004–2016
      Aluminum Coolant Expansion Tank fits Subaru WRX 2002–2007 / STI 2004–2016
      Aluminum Coolant Expansion Tank fits Subaru WRX 2002–2007 / STI 2004–2016
      Aluminum Coolant Expansion Tank fits Subaru WRX 2002–2007 / STI 2004–2016
      Aluminum Coolant Expansion Tank fits Subaru WRX 2002–2007 / STI 2004–2016
      Aluminum Coolant Expansion Tank fits Subaru WRX 2002–2007 / STI 2004–2016
      Aluminum Coolant Expansion Tank fits Subaru WRX 2002–2007 / STI 2004–2016
      Aluminum Coolant Expansion Tank fits Subaru WRX 2002–2007 / STI 2004–2016
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      Aluminum Coolant Expansion Tank fits Subaru WRX 2002–2007 / STI 2004–2016

      Regular Price: $213.71

      Sale Price $161.95

    • Aluminum Coolant Expansion Tank, fits Ford Mustang EcoBoost/V6/V8 2015+
      Aluminum Coolant Expansion Tank, fits Ford Mustang EcoBoost/V6/V8 2015+
      Aluminum Coolant Expansion Tank, fits Ford Mustang EcoBoost/V6/V8 2015+
      Aluminum Coolant Expansion Tank, fits Ford Mustang EcoBoost/V6/V8 2015+
      Aluminum Coolant Expansion Tank, fits Ford Mustang EcoBoost/V6/V8 2015+
      Aluminum Coolant Expansion Tank, fits Ford Mustang EcoBoost/V6/V8 2015+
      Aluminum Coolant Expansion Tank, fits Ford Mustang EcoBoost/V6/V8 2015+
      Aluminum Coolant Expansion Tank, fits Ford Mustang EcoBoost/V6/V8 2015+
      QUICK VIEW

      Aluminum Coolant Expansion Tank, fits Ford Mustang EcoBoost/V6/V8 2015+

      Regular Price: $264.32

      Sale Price $200.95

    • Aluminum Power Steering Reservoir Tank
      Aluminum Power Steering Reservoir Tank
      Aluminum Power Steering Reservoir Tank
      Aluminum Power Steering Reservoir Tank
      Aluminum Power Steering Reservoir Tank
      Aluminum Power Steering Reservoir Tank
      Aluminum Power Steering Reservoir Tank
      Aluminum Power Steering Reservoir Tank
      Aluminum Power Steering Reservoir Tank
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      Aluminum Power Steering Reservoir Tank

      Regular Price: $115.82

      Sale Price $88.95

    • Aluminum Coolant Expansion Tank, fits Subaru WRX 2008–2014
      Aluminum Coolant Expansion Tank, fits Subaru WRX 2008–2014
      Aluminum Coolant Expansion Tank, fits Subaru WRX 2008–2014
      Aluminum Coolant Expansion Tank, fits Subaru WRX 2008–2014
      Aluminum Coolant Expansion Tank, fits Subaru WRX 2008–2014
      Aluminum Coolant Expansion Tank, fits Subaru WRX 2008–2014
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      Aluminum Coolant Expansion Tank, fits Subaru WRX 2008–2014

      Regular Price: $260.59

      Sale Price $216.95

    • Windshield Washer Reservoir Tank, fits Mazda Miata 2016+
      Windshield Washer Reservoir Tank, fits Mazda Miata 2016+
      Windshield Washer Reservoir Tank, fits Mazda Miata 2016+
      Windshield Washer Reservoir Tank, fits Mazda Miata 2016+
      Windshield Washer Reservoir Tank, fits Mazda Miata 2016+
      Windshield Washer Reservoir Tank, fits Mazda Miata 2016+
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      Windshield Washer Reservoir Tank, fits Mazda Miata 2016+

      Regular Price: $249.01

      Sale Price $187.95

    • Aluminum Overflow Tank, fits Subaru BRZ / Scion FR-S / Toyota 86 2013+
      Aluminum Overflow Tank, fits Subaru BRZ / Scion FR-S / Toyota 86 2013+
      Aluminum Overflow Tank, fits Subaru BRZ / Scion FR-S / Toyota 86 2013+
      Aluminum Overflow Tank, fits Subaru BRZ / Scion FR-S / Toyota 86 2013+
      Aluminum Overflow Tank, fits Subaru BRZ / Scion FR-S / Toyota 86 2013+
      Aluminum Overflow Tank, fits Subaru BRZ / Scion FR-S / Toyota 86 2013+
      QUICK VIEW

      Aluminum Overflow Tank, fits Subaru BRZ / Scion FR-S / Toyota 86 2013+

      Regular Price: $260.59

      Sale Price $171.95

    • Aluminum Coolant Overflow/Expansion Tank, fits Chevrolet Camaro 2016+
      Aluminum Coolant Overflow/Expansion Tank, fits Chevrolet Camaro 2016+
      Aluminum Coolant Overflow/Expansion Tank, fits Chevrolet Camaro 2016+
      Aluminum Coolant Overflow/Expansion Tank, fits Chevrolet Camaro 2016+
      Aluminum Coolant Overflow/Expansion Tank, fits Chevrolet Camaro 2016+
      Aluminum Coolant Overflow/Expansion Tank, fits Chevrolet Camaro 2016+
      Aluminum Coolant Overflow/Expansion Tank, fits Chevrolet Camaro 2016+
      Aluminum Coolant Overflow/Expansion Tank, fits Chevrolet Camaro 2016+
      QUICK VIEW

      Aluminum Coolant Overflow/Expansion Tank, fits Chevrolet Camaro 2016+

      Regular Price: $382.20

      Sale Price $250.95

    • Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018
      Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018
      Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018
      Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018
      Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018
      Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018
      Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018
      Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018
      Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018
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      Aluminum Expansion Tank fits Ford Focus ST 2013-2018/ Focus RS 2016–2018

      Regular Price: $326.66

      Sale Price $213.95

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    If you take the cooling of your vehicle seriously we couldn’t recommend an upgraded expansion or reservoir tank more. Our selection of reservoir, overflow, and expansion tanks come in multiple different colors and finishes so you won’t only be upgrading the performance under the hood but also the aesthetic. Mishimoto direct fit expansion tanks are designed for an easy bolt-in installation, while our universal sizing options make it easy to find a reservoir tank to fit under your hood. Our aluminum reservoir tanks are constructed with durability in mind and our lifetime warranty ensures that even if you are in an accident Mishimoto has you covered. If you are still looking for more upgrades within your cooling system take a look at our intercooler kits, transmission coolers, and radiator fans because at Mishimoto you always know we have the highest quality cooling products under your hood.

    Aluminum construction

    Mishimoto overflow, reservoir, and expansion tanks are 100% aluminum and TIG-welded where applicable for increased durability.

    Lifetime Warranty

    All Mishimoto products carry a lifetime warranty including accident protection.

    Click to Mishimoto Lifetime Warranty

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