Radiator Caps

Universal Fitment; "Import" mini-style cap; Stamped stainless steel and silicone sealing element

Universal Fitment; "Import" mini-style cap; Stamped stainless steel and silicone sealing element

Universal Fitment; "Import" mini-style cap; Stamped stainless steel and silicone sealing element

Universal Fitment; "Import" mini-style cap; Stamped stainless steel and silicone sealing element

Black stainless steel with silicone seals.

If you manufacture your own aluminum radiator, the Mishimoto Aluminum Coolant Fill Neck is a must-have.The Mishimoto Aluminum Coolant Fill Necks are CNC machined and ready to be welded for use with your custom project.These Aluminum Fill Necks are...

If you manufacture your own aluminum radiator, the Mishimoto Aluminum Coolant Fill Neck is a must-have.The Mishimoto Aluminum Coolant Fill Necks are CNC machined and ready to be welded for use with your custom project.These Aluminum Fill Necks are...

Getting the most out of your performance parts comes down to the details. When faced with hard driving conditions, a vehicle's cooling system becomes highly pressurized. Stock caps are not equipped to handle higher pressure, causing fluid to leak out...

Getting the most out of your performance parts comes down to the details. When faced with hard driving conditions, a vehicle's cooling system becomes highly pressurized. Stock caps are not equipped to handle higher pressure, causing fluid to leak out...

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...

Getting the most out of your performance parts comes down to the details. When faced with hard driving conditions, a vehicle's cooling system becomes highly pressurized. Factory caps are not equipped to handle long term use and often lose pressure, in...

A perfect replacement for your OEM radiator cap, the Mishimoto Temperature Gauge cap will provide increased pressure tolerance (1.3 Bar), while providing an accurate temperature reading of your coolant. Mishimoto Mishimoto Temperature Gauge 1.3 Bar...

Koyo Type B Radiator Cap - FR-S/BRZ/GT86 (Blue / 1.3 Bar)

Koyo Type A Radiator Cap (Red / 1.3 Bar)