MARKGOO Drain Plug Seal Gasket 6 Pack Gearcase Lube Drain Screw Washer Used on 3/8-16 Drain Fill Screws Replacement for Mercury Mariner Outboard and MerCruiser Stern Drive 83079 8M0204693 26-830749
It's used on the 3/8-16 drain/fill screw holes in outboard and stern drive gearcases.
Gearcase gear lube drain screw washer 830749 is made of high quality material with rubber coated stainless steel
that fits for all of Mercury, Mariner outboards and MerCruiser stern drives with 3/8-16 gearcase drain/fill screw holes, prevent gear oil leaking.
PACKAGE INCLUDED:
Drain Screw Washer X 6 Pieces.
IMPORTANT:
Always double check to make sure the washer has been secured when reinstalling the drain screw. Water could infiltrate the gearcase without it and cause catastrophic damage to the gearcase.
Keep spares on hand to assure placement after changing gear lube in gearcase. This is the exact seal for its gearcase drain, filler, and vent screws.
Change this every time you change your gearcase oil. It's designed to “crush” under torque so it's a one time use washer. Replacement gaskets for the Mercury's lower unit drain and vent plugs.