Radiator Caps

Radiator Caps

Radiator Caps: Essential Components for Optimal Engine Performance

Radiator caps play a crucial role in maintaining the efficiency and longevity of your vehicle's cooling system. These components are designed to regulate the pressure within your radiator, ensuring that the coolant remains at the right temperature for peak performance. Our extensive selection of radiator caps includes products from trusted brands, catering to a wide range of makes and models.

Why Choose Our Radiator Caps?

  • High-Pressure Options: Our high-pressure radiator caps, like the BLOX Racing 92-00 Honda Civic Type-B Radiator Cap and Mishimoto High-Pressure Radiator Cap, are engineered for efficiency and reliability.
  • Durability: Crafted from premium materials, our caps ensure long-lasting performance, capable of withstanding high temperatures and pressures.
  • Wide Compatibility: Whether you drive a Honda, Subaru, Ford, or a classic Chevy, we have radiator caps designed specifically for your vehicle. Check out our Gates and Cusco selections for the latest models.
  • Variety of Pressure Ratings: Choose from various pressure ratings to suit your engine’s cooling requirements, from 1.1 Bar to 2.0 Bar options.

Top Brands Available

We offer radiator caps from leading brands such as Mishimoto, Gates, Cusco, and Moroso Racing, ensuring you receive a product that meets high automotive standards.

Optimize your vehicle’s cooling system with our premium selection of radiator caps, and experience improved engine performance and reliability on the road.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Photo - Primary User 1

    Wehrli 2001+ Chevrolet Duramax/13-18 6.7L Dodge Cummins Billet Aluminum Coolant Tank Cap - Clear - WCF100472

    Wehrli

    $49.72
    18-20PSI Optional Replacement Coolant Tank Cap, Clear Anodized. Used on WCFab Fabricated Coolant Tanks on 2001+ Duramax or 2004.5-07 & 2010-2024 6.7L Cummins.Matches WCFab Oil and Brake Reservoir CapsClear Anodized FinishRated for 18-20 PSIBillet Aluminum
    $49.72
    Qty in Cart: 0
    Quantity:
    Price:
    $49.72
    Subtotal:
  • Photo - Primary Photo - Primary

    Vibrant Radiator Cap for Radiator Filler Neck 20982 - 20983

    Vibrant

    MSRP: $58.99
    $46.40
    Vibrant Performance Radiator Caps are specifically designed to fit our Radiator Filler Necks. These Radiator Caps are constructed from 6061 Aluminum and attractively finished in a satin black.CatalogOne Year Limited Warranty6061 Aluminum Alloy
    MSRP: $58.99
    $46.40
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $58.99
    $46.40
    Subtotal:
  • Photo - Primary Photo - Primary

    Vibrant Radiator Cap for Radiator Filler Neck 20980 - 20981

    Vibrant

    MSRP: $57.99
    $45.55
    Vibrant Performance Radiator Caps are specifically designed to fit our Radiator Filler Necks. These Radiator Caps are constructed from 6061 Aluminum and attractively finished in a satin black.CatalogOne Year Limited Warranty6061 Aluminum Alloy
    MSRP: $57.99
    $45.55
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $57.99
    $45.55
    Subtotal:
  • Photo - Primary Photo - Primary

    Skunk2 Honda Acura/Mazda/Mitsubishi/Subaru Radiator Cap - 359-99-0020

    Skunk2 Racing

    $44.62
    Skunk2's Fine Tuning products and accessories, like its high-pressure Radiator Caps, help put the finishing touches onto your vehicle you work so hard to make perform well. Skunk2 Radiator Caps increase internal radiator pressure, which results in a...
    $44.62
    Qty in Cart: 0
    Quantity:
    Price:
    $44.62
    Subtotal:
  • Photo - Primary Photo - Primary

    Skunk2 Honda/Acura/Scion Radiator Cap - 359-99-0010

    Skunk2 Racing

    $44.62
    Skunk2's Fine Tuning products and accessories, like its high-pressure Radiator Caps, help put the finishing touches onto your vehicle you work so hard to make perform well. Skunk2 Radiator Caps increase internal radiator pressure, which results in a...
    $44.62
    Qty in Cart: 0
    Quantity:
    Price:
    $44.62
    Subtotal:
  • Photo - Primary Photo - Primary

    Koyo Type A Radiator Cap (Red / 1.3 Bar) - SK-C13

    Koyo

    MSRP: $49.20
    $44.98
    Red Label: fits all KOYORAD radiators w/ fillernecks(Red) Koyorad Hyper Radiator Cap - Deep Plunger Style
    MSRP: $49.20
    $44.98
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $49.20
    $44.98
    Subtotal:
  • Photo - Primary Photo - Primary

    Mishimoto 1.3 Bar Rated Carbon Fiber Radiator Cap Small Import - MMRC-13-SMCF

    Mishimoto

    $48.33
    Mishimoto has developed a carbon fiber radiator cap to enhance the style of your engine bay while maintaining the pressure in your cooling system.Getting the most out of your performance parts comes down to the details.When faced with hard driving...
    $48.33
    Qty in Cart: 0
    Quantity:
    Price:
    $48.33
    Subtotal:
  • Photo - Primary

    Koyo Hyper Radiator Cap - Shallow Plunger Style - Blue Label - SK-D13

    Koyo

    MSRP: $49.20
    $44.98
    Koyo Hyper Radiator Cap - Shallow Plunger Style - Blue LabelThis Part Fits:YearMakeModelSubmodel2013-2016ScionFR-SBase2013-2017SubaruBRZLimited2013-2017SubaruBRZPremium2015SubaruBRZSeries.Blue2016SubaruBRZSeries...
    MSRP: $49.20
    $44.98
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $49.20
    $44.98
    Subtotal:
  • Photo - Primary Photo - Primary

    HKS 10 Hyundai Genesis Coupe Limited Edition Radiator Cap - 15009-AK004

    HKS

    $50.25
    HKS 10 Hyundai Genesis Coupe Limited Edition Radiator Cap
    $50.25
    Qty in Cart: 0
    Quantity:
    Price:
    $50.25
    Subtotal:
  • Total: items /

Adding your products to cart