Replacement tester fluid for the 399-560000 Combustion Leak Tester. The quick and easy method to check leaks between the combustion chamber and the cooling system.

 

Features

• The tester fluid changes color when a leak is present.
• Gasoline Engine: tester fluid changes from blue to yellow.
• Diesel Engine: tester fluid changes from blue to green.
• 16 oz./480 mL