BILITOOLS 28-Piece Coolant Pressure Tester, Vacuum Refill Kit Metal Valve for Airtight Seal, No Leaks. Color-Coded Adapters Quick, Easy Cap Selection. Air-Free Refill, Simple to Use

A comprehensive coolant system pressure test & refill kit locates system leaks from header and expansion tanks and fittings, head gasket, radiator core, heater matrix, water pump, hoses and pipes, and is designed for refilling radiators with coolant without introducing air pockets. The hand operated pressure pump and vacuum refiller is fitted with an accurate and easy to read gauge marked in both psi and bar. A add on thermometer is designed to aid diagnostics and also ensure the system is cool before removing the cap. Features a upgraded metal valve, offering much better durability and performance over traditional rubber valves. This innovative design ensures a quick, efficient refill process, preventing engine overheating and maximizing vehicle performance. The different colors on each test cap will help operators working much more efficiently to choose suitable cap and work. 17 Pieces color coded test caps are designed for testing cooling systems on most domestic and import vehicles. Is compatible with Mercedes-Benz, GM, Jeep, Peugeot, Subaru, Chrysler, Acura, Mitsubishi, Nissan, Mazda, Toyota, Infiniti, Geo, Suzuki, Isuzu, Honda, Lexus, Volvo, Saab, Citroen, Renault, Fiat, Alfa, Mini Cooper, VW, BMW, Ford, Opel, Porsche, Audi, etc.