OEMTOOLS 25739 8 Oz. Combustion Leak Detector Fluid

OEMTOOLS 25739 8 oz. Combustion Leak Detector Fluid

• Test for Internal Combustion Leaks on Gasoline Engines
• Fluid Turns Yellow when Exhaust Gases are Present in Cooling System
• Designed for Use with the OEMTOOLS 27145 (ES3984820) Combustion Leak Detector (Not Included)
• Not for Use with Diesel Engines

This non-toxic block test fluid will turn yellow when exhaust gases are present. Got a bad head gasket or cracked block? You’ll quickly diagnose if you have a leak, and where, with OEM block test fluid.