Gearcase Pressure Tester
Used to pressurize the gearcase / outdrive to locate leaks.
Unit features a 0-30psi gauge and 3/8″-16 fitting for threading into the vent plug of many Johnson / Evinrude, OMC Sterndrive & Mercury (non-verado) / Mercruiser. Adapters are required for specific gearcases (see adapter kit p/n 935-09-23K)
We also carry the Vacuum Tester if needed.
Replaces: 507977, 90890-06762, YB-35956
