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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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Carbon Fiber 1.3 Bar Radiator Cap, Small
Regular Price: $46.33
Sale Price $35.95
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Mishimoto 1.1 Bar Overflow Reservoir Cap for Ford
Regular Price: $17.37
Sale Price $13.95
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Mishimoto 1.1 BarOverflow Reservoir Cap, for Ford 1999–2016
Price: $15.60
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Mishimoto Aluminum Fill Neck, Large
Regular Price: $23.16
Sale Price $17.95

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Mishimoto Aluminum Fill Neck, Small
Regular Price: $23.16
Sale Price $17.95
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Mishimoto High-Pressure 1.3 Bar Radiator Cap Large
Regular Price: $28.95
Sale Price $22.95
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Mishimoto High-Pressure 1.3 Bar Radiator Cap Small
Regular Price: $28.95
Sale Price $22.95
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Mishimoto High-Pressure 2.0 Bar Radiator Cap Small
Regular Price: $28.95
Sale Price $22.95