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  • Truck & Jeep Radiator Caps & Fill Necks

Truck & Jeep Radiator Caps & Fill Necks

  • 1.3 bar (19 psi) high-pressure radiator cap
  • Ergonomically designed for easy removal and installation
  • For use with high-performance cooling systems.
Shop all Truck & Jeep Radiator Caps & Fill Necks

Truck & Jeep Radiator Caps & Fill Necks

Radiator Caps

High-pressure radiator caps raise boiling point of coolant for more efficient cooling,

Lifetime Warranty

All Mishimoto products carry a lifetime warranty which includes accident protection.

Click to Mishimoto Lifetime Warranty

Truck & Jeep Radiator Caps & Fill Necks

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  1. $10.00 - $19.99 (7)
  2. $30.00 - $39.99 (2)
  3. $40.00 and above (2)
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  • Carbon Fiber 1.3 Bar Radiator Cap, Small
    Carbon Fiber 1.3 Bar Radiator Cap, Small
    QUICK VIEW

    Carbon Fiber 1.3 Bar Radiator Cap, Small

    Regular Price: $40.00

    Sale Price $30.00

  • Mishimoto 1.1 Bar Ford Overflow Reservoir Cap
    Mishimoto 1.1 Bar Ford Overflow Reservoir Cap
    Mishimoto 1.1 Bar Ford Overflow Reservoir Cap
    QUICK VIEW

    Mishimoto 1.1 Bar Ford Overflow Reservoir Cap

    Regular Price: $15.00

    Sale Price $11.25

  • Mishimoto 1.1 Bar Ford Overflow Reservoir Cap, 1999–2016
    Mishimoto 1.1 Bar Ford Overflow Reservoir Cap, 1999–2016
    Mishimoto 1.1 Bar Ford Overflow Reservoir Cap, 1999–2016
    QUICK VIEW

    Mishimoto 1.1 Bar Ford Overflow Reservoir Cap, 1999–2016

    Price: $15.00
  • Mishimoto Aluminum Fill Neck, Large
    QUICK VIEW

    Mishimoto Aluminum Fill Neck, Large

    Regular Price: $20.00

    Sale Price $15.00

  • Mishimoto Aluminum Fill Neck, Small
    QUICK VIEW

    Mishimoto Aluminum Fill Neck, Small

    Regular Price: $20.00

    Sale Price $15.00

  • Mishimoto High-Pressure 1.3 Bar Radiator Cap Large
    Mishimoto High-Pressure 1.3 Bar Radiator Cap Large
    QUICK VIEW

    Mishimoto High-Pressure 1.3 Bar Radiator Cap Large

    Regular Price: $25.00

    Sale Price $18.75

  • Mishimoto High-Pressure 1.3 Bar Radiator Cap Small
    Mishimoto High-Pressure 1.3 Bar Radiator Cap Small
    Mishimoto High-Pressure 1.3 Bar Radiator Cap Small
    QUICK VIEW

    Mishimoto High-Pressure 1.3 Bar Radiator Cap Small

    Regular Price: $25.00

    Sale Price $18.75

  • Mishimoto High-Pressure 2.0 Bar Radiator Cap Small
    Mishimoto High-Pressure 2.0 Bar Radiator Cap Small
    Mishimoto High-Pressure 2.0 Bar Radiator Cap Small
    QUICK VIEW

    Mishimoto High-Pressure 2.0 Bar Radiator Cap Small

    Regular Price: $25.00

    Sale Price $18.75

  • Mishimoto Temperature Gauge 1.3 Bar Radiator Cap Large
    QUICK VIEW

    Mishimoto Temperature Gauge 1.3 Bar Radiator Cap Large

    Regular Price: $65.00

    Sale Price $48.75

  • Mishimoto Temperature Gauge 1.3 Bar Radiator Cap Small
    Mishimoto Temperature Gauge 1.3 Bar Radiator Cap Small
    Mishimoto Temperature Gauge 1.3 Bar Radiator Cap Small
    Mishimoto Temperature Gauge 1.3 Bar Radiator Cap Small
    QUICK VIEW

    Mishimoto Temperature Gauge 1.3 Bar Radiator Cap Small

    Regular Price: $65.00

    Sale Price $48.75

  • Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    Silicone Coupler, 2.5" w/ 1/8" NPT Bung
    QUICK VIEW

    Silicone Coupler, 2.5" w/ 1/8" NPT Bung

    Regular Price: $50.00

    Sale Price $30.00

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