Chasing down coolant leaks doesn’t have to be a guessing game. The Mastercool 43300 Universal Cooling System Pressure Test Kit puts the power in your hands to quickly detect internal engine issues like blown head gaskets or cracked blocks—before they turn into costly repairs. It also makes finding external cooling system leaks fast, clean, and accurate, saving you time on every diagnostic job.

This 14-piece cooling system pressure tester kit comes fully loaded with a hand pump, thermometer, and 12 universal adapters, giving you broad vehicle coverage right out of the box. Whether you’re working in a busy shop or tackling tough diagnostics at home, the Mastercool 43300 delivers professional-grade results with ease. If you want confidence, speed, and accuracy in one reliable kit, this is the tool your toolbox has been waiting for.

Kit Includes hand pump, thermometer and 12 adapters to fit most popular domestic and import cars and trucks
Detects internal engine leaks due to blown gaskets or cracked block
Detects and exposes external system leaks

14-PC Kit Includes:

Needle Thermometer
Hand-held Pump
Steel #2 Adapter
Steel #3 Adapter
Steel #4 Adapter
Steel #5 Adapter
Aluminum #6 Adapter (brown)
Aluminum #7 Adapter (blue)
Aluminum #8 Adapter (cyan)
Aluminum #9 Adapter (pink/red)
Aluminum #10 Adapter (orange)
Aluminum #11 Adapter (lime)
Aluminum #12 Adapter (dark silver)
Aluminum #13 Adapter (light gold)
Blow Molded Case
Gauge for Pump
Hose for Pump with Couple

View Mastercool 43300 Pressure Test Kit User Manual

Mastercool 43300 - 14-PC Universal Cooling System Pressure Test Kit

Part #: MAS43300

Availability: In Stock

Retail Price:$220.00

Your Savings:$66.36(30%)

Our Price: $153.64

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