The fittings in this kit enable you to connect gauge (not included) to most Audi, Mercedes Benz, Volkswagen, and other European automotive engines, and diagnose most common fuel system problems involving low fuel pressure and low fuel volume at the injectors.
It even works on CIS and CISE systems. Each fitting comes with a quick-connect Schrader valve for safe, easy hookup to the gauge assembly.
Fitting seals are compatible with most popular cleaning solvents. Included Audi, Mercedes Benz, Volkswagen and other European automotive engines.