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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
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🇺🇸 Ship from USA · On Agora since 2026
$157.69