The Sealey VS403 Vacuum and Pressure Test Kit is a professional diagnostic tool designed for identifying faults across multiple vehicle systems. This versatile kit enables mechanics and automotive technicians to diagnose issues in fuel, ignition, transmission, emission and air conditioning/heating systems through precision vacuum and pressure testing. The tool features a lightweight aluminium body with a simple twist function that allows quick switching between pressure and vacuum testing modes. Its large, easy-to-read gauge ensures accurate readings even in challenging workshop conditions, whilst the robust construction delivers reliable performance for professional automotive diagnostics. Beyond fault diagnosis, this comprehensive kit includes all necessary components for bleeding brake and clutch systems. The set comprises two fluid containers, a transfer cap, multiple vacuum hoses of varying lengths, and an extensive selection of connectors and blanking caps to ensure compatibility