Tests leaks in radiator and heater by connecting the pressure tester pump to the radiator through a test cap or adapter.

Item No.: 16754A

14pcs Radiator Pressure Tester Kit：

• Contains 12 test caps andadapters for many cars and light trucks

• A thermometer is for measuringcoolant temperature before testing

Item No.: 16754B

18pcs Radiator Pressure Tester Kit：

• Contains 13 test caps and adapters for many cars and light trucks

• Two connector tubes (black &blue) to test the functionality of the original radiator caps.

• A thermometer is for measuringcoolant temperature before testing