Combustion Leak Detector R303834

This combustion leak detector quickly diagnoses combustion gas leaks brought on by head gaskets, cylinder heads and engine block leaks. The tester fluid changes color when exposed to combustion gases trapped in the vehicle's coolant.

• Quickly diagnoses combustion gas leaks brought on by head gaskets cylinder heads and engine block leaks
• Tester fluid changes color when exposed to combustion gases from radiator
• Works on gas and diesel engines