• Drain Screw Gasket
Additional Details:
• Used in: most lower units and sea water pumps
• Used with: 3/8-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B's
Interchange:
Mercruiser Stern...

PP-12-19183 3 — Washer (Mercury Gearcase Drain Fill Gasket)
Mercury/Quicksilver Gearcase Drain & Fill Plug Washer — an essential consumable for any lower unit or gearbox oil service. This fibre sealing washer fits behind the drain plug and...