Radiator Pressure Tester Refill Kit: 47pcs radiator pressure tester kit includes a pressure pump, vacuum & coolant fill tool, metal adapters, color-coded test caps, and universal tapered adapter. A complete solution for leak detection, temperature checks, and fluid filling Universal Vehicle Compatibility: The coolant pressure tester kit comes with multiple adapter sizes and corresponding numbers on the packaging for easy identification. Compatible with most cars, SUVs, and light trucks, including BMW, Ford, Fiat, Volkswagen, Porsche, Mercedes-Benz, Nissan, and other mainstream brands Leak-Proof Design: High-strength aluminum-plastic refill tool provides excellent sealing and pressure resistance. The cooling system pressure tester kit comes with a shock-resistant precision gauge (-76 to 0 cmHg / -30 to 0 inHg; max vacuum -0