• Detects internal engine leaks due to blown gaskets or cracked block
• Includes hand pump, thermometer and 12 adapters (No.’s 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13) to fit most popular domestic and import cars and trucks
• Detects and exposes external system leaks

The Mastercool 43300 is a 14 Piece Universal Cooling System Pressure Test Kit. Detects and exposes external system leaks Detects internal engine leaks due to blown gaskets or cracked block. This Product includes hand pump, thermometer and 12 adapters (No.’s 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13) to fit most popular domestic and import cars and trucks.