Indicating fluid changes from blue to yellow if a leak is detected. Tester operates on engine vacuum.
Lisle 75730 Combustion Leak Indicating Fluid for Diesel ENGINES
Lisle Tools Combustion Leak Indicating Fluid Gas Engines 16oz
Lisle 75730 Combustion Leak Indicating Fluid for Diesel Engines
Lisle 75500 Combustion Leak Detector
Lisle 75630 Replacement Testing Fluid for Combustion Leak Detector, 16 oz bottle
Lisle Tools Combustion Leak Down Tester 16oz
