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Your cart is empty.The Mityvac MV4530 Automotive Cooling System Pressure Test Kit is designed to efficiently locate leaks in automotive cooling systems, including external leaks, blown head gaskets, and cracked engine blocks. it is hand-operated pressure pump builds pressure quickly, while a push-button valve safely releases it after testing. The kit includes four adapters for common radiator and coolant bottle necks on US and Asian vehicles, with self-locking quick-disconnects for secure, easy setup. Housed in a custom case with space for extra adapters, the MV4530 is ideal for both professionals and DIY users needing reliable leak detection and pressure testing.
EasyLou
Reviewed in the United States on January 3, 2025
Easy to set up and use. Fits most applications.
Neil A
Reviewed in Canada on January 8, 2023
I am a Heavy Duty Mechanic. Easy to use. Use on a lot of equipment in the field to easily find coolant leaks.
Customer
Reviewed in the United States on April 20, 2021
works as expected
Matt D
Reviewed in the United States on February 1, 2020
Adapters can be a bit tough to screw on at times, but it works well when you are on. I also use this kit for my pulse sensor, diagnosing head gasket failures. The quick connect fitting works well for the pump/gauge and my sensor.Good quality case, the adapters could use a tighter fit when it's shut though. I don't like hearing things bang around inside a closed case.
Tanner
Reviewed in Canada on July 13, 2019
As another reviewer said the only flaw of this unit is when you relieve pressure the fluid goes everywhere you need a rag to catch it from going absolutely everywhere. However, the unit works very very well and the quality is top notch. Its a professional lifetime tool if taken care of. Found the mystery leak on my 1988 Camaro (In addition to the use of a borescope) because the leak was intermittent at the back of the intake manifold leaking down. Put on your wishlist and buy on sale $155.
GNR58
Reviewed in the United States on April 24, 2017
WORKS GREAT
Stephen Z.
Reviewed in the United States on July 5, 2015
Awesome tool. This is a great time saver. I was able to pressure test my daughter's car after I replaced her water pump. It was nice being able to work on a cold engine.
Sean
Reviewed in the United States on April 21, 2015
This kit works well. One thing to keep in mind though is when u push the release valve to de-pressurize the system, u MUST wrap a towel around the base fitting or u WILL get a spray of coolant ALL over you!!! (Ask me how I know this). This does not come with a hose to release excess coolant back into a reservoir or bucket. Aside from that, I recommend it. Not something I use very often, but when I NEED it, I have it on hand to use and it pays for itself after 1 use. Going to the shop to get your cooling system tested for leaks is 1 hour labor. Do the math.. I work on my car ALOT and this is a handy tool to have when u just can't find a coolant leak.
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