The Sealey 13 Piece Cooling System Pressure Test Kit is a comprehensive diagnostic tool designed for testing cooling system integrity across a wide range of modern vehicles. This professional-grade kit combines vehicle-specific cap adaptors with an innovative capless inflatable bladder system, providing superior coverage compared to standard cooling system testers. The kit includes dedicated cap adaptors covering the latest models from Alfa Romeo, Audi, BMW, Citroën, Dacia, Fiat, Ford, Honda, Hyundai, Jaguar, Kia, Land Rover, Lexus, Mazda, Mercedes, Mini, Mitsubishi, Nissan, Peugeot, Porsche, Renault, Seat, Skoda, Suzuki, Toyota, Vauxhall/Opel, Volvo, and VW vehicles. The universal bladder system works with both screw and bayonet fittings, sealing 90% of cars and light commercial vehicles directly out of the box. Two specialist adaptors are supplied for testing VAG vehicles with internal threads on the header tank when using the bladder system. The kit features quick release couplings