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Radiator Caps

Radiator Caps

Radiator Caps

Radiator caps provide a critical seal for pressure regulation in your cooling system, ensuring maximum efficiency and safety under high stress. These caps are built with racing demands in mind, seamlessly fitting into your vehicle’s cooling system. Combine them with other essential radiator accessories to fine-tune your setup.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • radiator cap 14-18lb 63316

    Moroso Radiator Cap 14-18lb 63316

    MOROSO

    $24.99
    A quality radiator cap is essential for maintaining proper coolant pressure and preventing overheating—especially in high-performance applications where engine temperatures run hotter than stock. The Moroso 14-18lb cap delivers reliable pressure...
    MOR63316
    SKU:
    MOR63316
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    $24.99
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    Subtotal:
  • radiator cap 12-16lb 63313

    Moroso Radiator Cap 12-16lb 63313

    MOROSO

    $24.99
    A quality radiator cap isn't just a closure—it's a critical pressure regulator that protects your cooling system from catastrophic failure. The Moroso 12-16lb cap maintains optimal coolant pressure during high-performance driving, preventing boil-over...
    MOR63313
    SKU:
    MOR63313
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    Subtotal:
  • Radiator Cap 31-33 psi Hexagon MOR63332

    Moroso Radiator Cap 31-33 psi Hexagon 63332

    MOROSO

    $23.99
    A properly calibrated radiator cap is critical to maintaining optimal coolant pressure and preventing overheating during sustained high-performance driving. The Moroso 31-33 psi cap is engineered for racing applications where precise pressure management...
    MOR63332
    SKU:
    MOR63332
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
  • Racing Radiator Cap 27-29LBS. MOR63328

    Moroso Racing Radiator Cap 27-29LBS. 63328

    MOROSO

    $24.99
    A proper radiator cap is critical for maintaining system pressure and preventing coolant loss during high-temperature racing conditions. The Moroso Racing Radiator Cap delivers precise pressure control at 27-29 LBS, ensuring your cooling system operates...
    MOR63328
    SKU:
    MOR63328
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    63328
    $24.99
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    Subtotal:
  • Racing Radiator Cap 23-25LBS. MOR63324

    Moroso Racing Radiator Cap 23-25LBS. 63324

    MOROSO

    $24.99
    A properly functioning radiator cap is critical to maintaining stable coolant pressure and preventing overheating during high-performance driving. The Moroso Racing Radiator Cap maintains 23-25 PSI of system pressure, allowing your cooling system to...
    MOR63324
    SKU:
    MOR63324
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    63324
    $24.99
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    Subtotal:
  • Racing Radiator Cap 19-21LBS. MOR63320

    Moroso Racing Radiator Cap 19-21LBS. 63320

    MOROSO

    $23.99
    A racing radiator cap is essential for maintaining system pressure under high-performance conditions, where standard caps fall short. The Moroso 19-21 LBS cap handles elevated coolant temperatures and aggressive driving without venting prematurely,...
    MOR63320
    SKU:
    MOR63320
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MFG Part #:
    63320
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
  • Radiator Cap 22-24 PSI  ALL30136

    Allstar Performance Radiator Cap 22-24 PSI ALL30136

    ALLSTAR PERFORMANCE

    $13.49
    Keep your cooling system running at peak performance with the Allstar Performance Radiator Cap — a simple upgrade that makes a real difference on the track or street. Built to Stant quality standards, this 22-24 PSI cap delivers the consistent pressure...
    ALL30136
    SKU:
    ALL30136
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MFG Part #:
    ALL30136
    $13.49
    Qty in Cart: 0
    Quantity:
    Price:
    $13.49
    Subtotal:
  • Radiator Cap 18-22 PSI Stant ALL30134

    Allstar Performance Radiator Cap 18-22 PSI Stant ALL30134

    ALLSTAR PERFORMANCE

    $15.99
    Keep your cooling system running at peak efficiency with the Allstar Performance Radiator Cap (ALL30134) — a reliable, race-proven solution built to handle serious pressure. Engineered with a precise 18-22 PSI rating, this Stant cap delivers consistent...
    ALL30134
    SKU:
    ALL30134
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    MFG Part #:
    ALL30134
    $15.99
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • Radiator Cap 16 PSI Stant w/Lever ALL30133

    Allstar Performance Radiator Cap 16 PSI Stant w/Lever ALL30133

    ALLSTAR PERFORMANCE

    $9.99
    Keep your cooling system running at peak efficiency with the Allstar Performance Radiator Cap (ALL30133) — a race-proven solution built to hold pressure right where you need it. The convenient lever design makes removal quick and safe, even after a hard...
    ALL30133
    SKU:
    ALL30133
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    ALL30133
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • Radiator Cap 16PSI Stant ALL30132

    Allstar Performance Radiator Cap 16PSI Stant ALL30132

    ALLSTAR PERFORMANCE

    $7.99
    Keep your cooling system running at peak performance with the Allstar Performance Radiator Cap 16PSI by Stant (ALL30132) — a trusted, no-nonsense solution built for serious racers and weekend warriors alike. Engineered to maintain consistent pressure and...
    ALL30132
    SKU:
    ALL30132
    Availability:
    Ships Same Business Day
    Weight:
    0.62 LBS
    MFG Part #:
    ALL30132
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • Radiator Cap 21-25 PSI Stant W/Lever ALL30131

    Allstar Performance Radiator Cap 21-25 PSI Stant W/Lever ALL30131

    ALLSTAR PERFORMANCE

    $16.99
    When you're pushing your engine to the limit, the last thing you want is your cooling system letting you down. The Allstar Performance Radiator Cap (ALL30131) delivers race-proven pressure control at 21-25 PSI, keeping your coolant system optimized and...
    ALL30131
    SKU:
    ALL30131
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MFG Part #:
    ALL30131
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • Radiator Cap 18-22 PSI Stant W/Lever ALL30130

    Allstar Performance Radiator Cap 18-22 PSI Stant W/Lever ALL30130

    ALLSTAR PERFORMANCE

    $16.99
    Keep your cooling system running at peak performance with the Allstar Performance Radiator Cap — a trusted upgrade for serious racers and weekend warriors alike. Built with a precision pressure range and a convenient lever design, this cap makes venting...
    ALL30130
    SKU:
    ALL30130
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MFG Part #:
    ALL30130
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • Radiator Cap 29-31 PSI  ALL30129

    Allstar Performance Radiator Cap 29-31 PSI ALL30129

    ALLSTAR PERFORMANCE

    $19.99
    When your engine is pushing hard, the last thing you want is a cooling system that can't keep up. The Allstar Performance Radiator Cap (ALL30129) delivers a rock-solid 29-31 PSI pressure rating to raise your coolant's boiling point, protect against...
    ALL30129
    SKU:
    ALL30129
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MFG Part #:
    ALL30129
    $19.99
    Qty in Cart: 0
    Quantity:
    Price:
    $19.99
    Subtotal:
  • Radiator Cap Small Stant 28-32 PSI ALL30126

    Allstar Performance Radiator Cap Small Stant 28-32 PSI ALL30126

    ALLSTAR PERFORMANCE

    $15.99
    Keep your cooling system sealed tight and performing at its peak with the Allstar Performance Radiator Cap — a trusted solution built for serious racers and performance enthusiasts. Engineered to maintain precise pressure levels, this Stant-quality cap...
    ALL30126
    SKU:
    ALL30126
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    ALL30126
    $15.99
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • Radiator Cap Small Stant 19-21 PSI ALL30125

    Allstar Performance Radiator Cap Small Stant 19-21 PSI ALL30125

    ALLSTAR PERFORMANCE

    $14.99
    Keep your cooling system running at peak performance with the Allstar Performance Stant Radiator Cap — a reliable, precision-engineered cap built to handle the demands of serious racing and high-performance applications. Designed to maintain consistent...
    ALL30125
    SKU:
    ALL30125
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MFG Part #:
    ALL30125
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    $14.99
    Subtotal:
  • Radiator Cap Small Stant 16 PSI ALL30124

    Allstar Performance Radiator Cap Small Stant 16 PSI ALL30124

    ALLSTAR PERFORMANCE

    $8.99
    Keep your cooling system running at peak performance with the Allstar Performance Radiator Cap (ALL30124) — a trusted Stant-built cap designed to maintain precise pressure and protect your engine from overheating. Whether you're on the track or in the...
    ALL30124
    SKU:
    ALL30124
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    ALL30124
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
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Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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