• Includes blue and black radiator cap test connectors
• Includes 8 adapters (No’s 14, 15, 16, 17, 18, 19, 20, 21 ) to fit most popular domestic and import cars and trucks
• Detects and exposes external system leaks
• Detects internal engine leaks due to blown gaskets or cracked block
• Adapter update kit to be used with 43300

The Mastercool 43305 is a 10 Piece Cooling System Pressure Test Adapter Kit. This Product can Detects and exposes external system leaks, Detects internal engine leaks due to blown gaskets or cracked block, Adapter update kit to be used with 43300.