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Your cart is empty.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 into the overflow reservoir. The Mishimoto High-Pressure 1.3 Bar Radiator Cap will keep coolant where it needs to be flowing within the system. This cap fits most import vehicles.
Sean D.
August 21, 2025
Fits tight, holds pressure
Customer
August 19, 2025
My coolant would bubble with my old radiator cap under the Texas heat. I replaced it with this one and I haven’t had any issues since, no leaks either, functions well. Great quality and price. Looks great too!
Scott
August 4, 2025
Cap fit perfect and no more leaks.
Demetrius Cuffie
July 26, 2025
Go no further! This is the best option out there!!
julio aguayo
June 30, 2025
Container was empty when I received my package
Eric J. Kent
June 19, 2025
This cap was a life saver or I should say work saver I was almost positive I had a blown head gasket because it seemed like my coolant pressure was too high but this cap was a lifesaver I put it on and voila no more spitting out a liter of antifreeze every time I drive iteven better was I finally broke down and spent a bit of money and tested my cooling system no blown head gasket and I was ready to put a new one in.Saved me a few hours of labor so thank you
jonathan holmes
April 28, 2025
I needed a high pressure cap for aftermarket turbo.Fits a Celica 93 OEM radiator.
CoastalGuy
April 20, 2025
I have a Mishimoto radiator that came with a cap, but after several years the cap was leaking.This replacement fits nicely, but isn't as nice as the original, and ridiculously expensive for a radiator cap.At least my radiator is no longer leaking out of the cap.
Customer
April 9, 2025
Called Mishimoto direct first and they were out of stock!!!, so Amazon saved the day.
Herbert Duya
March 23, 2025
dont buy
Dan Fortier
February 24, 2025
Fits on my 2016 Honda pioneer 1000
Marc
December 30, 2024
replaced same radiator cap that was leaking
Jonathan Labbé
December 30, 2024
Il a l'air de très bonne qualité, je vais voir combien de temps il durera !
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