Gearcase Pressure/Vacuum Tester

Stop water intrusion before it destroys your lower unit. This professional-grade combination tester allows you to pull and hold both vacuum and pressure with a single tool.

• ✓ 2-in-1 Design: Flip the valve to switch between pressure and vacuum testing.
• ✓ Universal Fit: Includes custom brass adapters for Yamaha, Suzuki, Tohatsu, Mercury, Johnson, Evinrude and Volvo Penta.
• ✓ Quick Disconnects: Brass swivel fittings make installation fast and prevent hose twisting.
• ✓ Superior to OEM and aftermarket: 90890-06756, CDI 551-34PV, S-34, V-34.

Built to last by Marine Tech Tools in Charleston, SC. 100% Money-Back Guarantee.