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Cylinder Leak Down Tester Compression Test Kit
Designed to detect a variety of engine faults, including worn piston rings, worn valves, cracked cylinder walls, and blown head gaskets
This is a high quality TU-21 cylinder leak detector, including double gauge system
Easily check the amount of leakage and locate leaks area in an engine cylinder to help determine the sourcer
Suitable for use on any petrol engine with 12 or 14mm spark plugs, and ideal for testing trucks & late model cars where clearance is minimal
Check the amount of leakage in 4-stroke engines
Pressure gauge with dual scale reads from 0 to 100 PSI and 0 to 7 Bar, shows pressure in PSI and Bar and percentage of cylinder leakage
Package include
Female quick connector
Metric adapter M12x1.25(with o-ring)
Metric adapter M14x1.5(with o-ring)
Extension hose
Gauge base
Leakage gauge
Pressure gauge
Male quick connector
Regulator
Adapter hose
Easy to Use
Remove the Schrader valve and turn the regulator off before applying shop air
Install the hose to the cylinder, the unit to an air supply, calibrate the leak gauge, and connect the unit to the cylinder hose
Diagnosis is made by observing the amount of leakage indicated on the cylinder leakage gauge and listening for leakage at various points of the car system
Jeff bohler
2025-09-02 11:39:59
Does what intended
G
2025-08-19 12:32:16
Used on my commercial lawn mower engine - worked great.
Jason
2025-07-18 17:00:36
works as it should
Nayib Saldivia
2025-05-14 16:11:34
Funciona bien
Adam W Sanders
2025-03-26 13:03:02
I'm writing this with the tool currently stuck in the spark plug hole of my car. The plug part spins separately than the hose, so you can screw it in, but when you need to unscrew it, it just spins. I was able to get it out with very long nose pliers a couple times, but now it's not budging.
Steve
2024-12-03 12:03:42
Unfortunately the one I received does not work. The regulator is stuck closed.
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