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    Radiator Caps

    Maintain the proper pressure and functionality of your Subaru's cooling system with a reliable radiator cap from Subispeed. Our selection offers a range of radiator caps designed to meet or exceed OEM specifications, ensuring a secure seal and efficient cooling performance. A radiator cap plays a critical role in maintaining the correct pressure within the cooling system, which helps prevent coolant boiling, overheating, and coolant loss. Choose from reputable brands like Mishimoto and Gates to ensure exceptional quality and compatibility with your specific Subaru model. With different pressure ratings available, you can select a radiator cap that meets the requirements of your Subaru's cooling system. Upgrade your radiator cap with a dependable option from Subispeed and keep your Subaru's engine running cool and reliable.

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    15 Results

    Koyorad 1.3 Bar High Pressure Radiator Cap - 2015-2024 Subaru WRX / 2015-2021 STI / 2004-2018 Forester / 2002-2014 Impreza

    38 In Stock

    SK-C13

    Koyorad 1.3 Bar High Pressure Radiator Cap - 2015-2024 Subaru WRX / 2015-2021 STI / 2004-2018 Forester / 2002-2014 Impreza

    5.0(2)
    $38.43
    HKS 1.1 kg N-Type Radiator Cap - 2002-2024 Subaru WRX / STI / 2011-2014 Forester / 2010-2014 Legacy

    100 In Stock

    15009-AK004

    HKS 1.1 kg N-Type Radiator Cap - 2002-2024 Subaru WRX / STI / 2011-2014 Forester / 2010-2014 Legacy

    $25.62
    GrimmSpeed 1.3 Bar Radiator Cap - Subaru Universal

    50 In Stock

    GRM1.1013.1.BLK

    GrimmSpeed 1.3 Bar Radiator Cap - Subaru Universal

    $25.00
    STI 1.3 Bar Radiator Cap - 2015-2021 Subaru WRX / STI

    ST4511355010

    STI 1.3 Bar Radiator Cap - 2015-2021 Subaru WRX / STI

    5.0(1)
    $91.95
    TRD Radiator Cap - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86

    1 In Stock

    MS143-18001

    TRD Radiator Cap - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86

    $47.32
    Koyo Type B Radiator Cap - 2013-2016 Scion FR-S / 2013-2020 Subaru BRZ / 2017-2019 Toyota 86

    14 In Stock

    SK-D13

    Koyo Type B Radiator Cap - 2013-2016 Scion FR-S / 2013-2020 Subaru BRZ / 2017-2019 Toyota 86

    $32.99
    Cusco High Pressure Radiator Cap - 2022-2024 Subaru WRX

    6 In Stock

    00B050A13

    Cusco High Pressure Radiator Cap - 2022-2024 Subaru WRX

    $30.60
    Radium Radiator Cap Type-A 1.3 Bar Black - Universal

    9 In Stock

    18-0076-A13

    Radium Radiator Cap Type-A 1.3 Bar Black - Universal

    $28.45
    Radium Radiator Cap Type-A 1.5 Bar Black - Universal

    14 In Stock

    18-0076-A15

    Radium Radiator Cap Type-A 1.5 Bar Black - Universal

    $28.45
    Radium Radiator Cap Type-A 1.1 Bar Black - Universal

    13 In Stock

    18-0076-A11

    Radium Radiator Cap Type-A 1.1 Bar Black - Universal

    $28.45
    Cusco Radiator Cap - 2013-2016 Scion FR-S / 2013-2024 Subaru BRZ / 2017-2019 Toyota 86

    1 In Stock

    00B050B13

    Cusco Radiator Cap - 2013-2016 Scion FR-S / 2013-2024 Subaru BRZ / 2017-2019 Toyota 86

    $30.60
    STI Radiator Cap - 2013-2021 Scion FRS / Subaru BRZ / Toyota 86

    ST45137ZA000

    STI Radiator Cap - 2013-2021 Scion FRS / Subaru BRZ / Toyota 86

    $30.54
    Radium Radiator Cap Type-B 1.1 Bar Black - Universal

    18-0076-B11

    Radium Radiator Cap Type-B 1.1 Bar Black - Universal

    $28.45
    Radium Radiator Cap Type-B 1.3 Bar Black - Universal

    18-0076-B13

    Radium Radiator Cap Type-B 1.3 Bar Black - Universal

    $28.45
    HKS 1.1 kg N-Type Radiator Cap - 2013-2016 Scion FR-S / 2013-2024 Subaru BRZ / 2017-2024 Toyota GR86 / 1993-1998 Toyota Supra

    15009-AK005

    HKS 1.1 kg N-Type Radiator Cap - 2013-2016 Scion FR-S / 2013-2024 Subaru BRZ / 2017-2024 Toyota GR86 / 1993-1998 Toyota Supra

    1.0(1)
    $23.75

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