Quicksilver Gearcase Drain Screw Kit
Genuine Mercury Marine Part for Mercruiser Sterndrives & Mercury Mariner Outboards
Non-magnetic Gearcase Drain Vent / Fill Screw with Fibre Washer Seal.
For use on MerCruiser I, R, MR, Alpha One, TR, TRS and all outboards with 3/8"‑16 non‑magnetic gear lube fill or vent screws.
To fit Mercury Mariner lower units with 3/8"–16 thread drain / vent screws
This part supersedes from part numbers:
- 10-79953A2 - SCREW
- 10-79953 - SCREW
- 816610A1 - DIPSTICK ASY
- 816610A2 - DIPSTICK ASSY
- For use on MerCruiser I, R, MR, Alpha One, TR, TRS and all outboards with 3/8‑16 non‑magnetic gear lube fill or vent screws.
- To fit Mercury / Mariner outboard lower units with 3/8" – 16 thread drain / vent screws.
To check if this part is suitable for your engine, please contact us with your engine model & serial number.