You'll need: 

• compressed air source
• coolant
• the correct adapter for your vehicle

Quick Coolant Refills: Quickly and easily refill your cooling system with the OEMTOOLS 24444 without the risk of trapped air. This radiator vacuum fill kit eliminates air pockets and reduces the risk of engine overheating.

Vacuum Leak Testing: Perform efficient vacuum leak tests with this cooling system pressure tester kit. Ensure your system is airtight before refilling, helping you detect hidden issues before they cause major problems.

Universal Adapter Fit: The coolant vacuum filler features a universal adapter that fits most radiator and coolant bottle necks, making it a versatile choice for multiple vehicle types with no custom adapters needed.