Stant 12016 Threaded Radiator Cooling System Tester Adapter
Required to fit late model Audi, Porsche & VW cooling systems with threaded filler necks
Works With 12270 Stant Cooling System Tester
Thread specifications Metric: 48mm x 3.0
Professional quality
12016 threaded adapter is required to fit late model Audi, Porsche & VW
cooling systems with threaded filler necks. Thread specifications :48 x 3 :
i.e 3 threads per inch and 48 is in mm which converts to 1.89” .