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Lower Drain Plugs, Lower Unit Oil Drain Plug Gearcase Screw & Gasket for Mercury40 50 60 70 75 90115HP/Mercruiser Bravo/Alpha1Gen2, Replaces 10-79953Q2 10-79953A2 18-2244 22420 10-79953Q04

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$9.99

$ 4 .99 $4.99

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About this item

  • Lower Unit Gear Lube Drain and Fill Hole Screw and Seal 79953Q04. Used with 3/8 - 16 drain/fill hole screw on all MerCruiser stern drives, Mercury and Mariner outboards.
  • This is the non-magnetic plug screw version. Helps prevent gear lube from leaking out and water from seeping in to the gear case causing serious damage.
  • 18-2244 Drain Screw for Mercury and Mercruiser. This Drain Screw is for use with the following: for Mercruiser I, R, MR, Alpha One, TR, TRS & all O/Bs with 3/8-16 non-magnetic gear lube fill or vent screws.
  • All Merc's use the 3/8 x 16 plug and the top plug on your lower unit is the "vent" plug. You pump the oil in from the bottom plug, til it comes out of the top one. Then screw the top plug in tight, then quickly screw the bottom plug in to minimize oil loss.
  • Compatible with Mercury Marine 10-20259 10-79953Q04 10-79953Q2 10-79953A2 10-79953 10-28634 10-28634A1 and for Mercruiser Stern Drive 816610A2 816610A1 10-28634A1 10-28634 10-79953 10-79953A2 10-79953Q2 10-79953Q04



Product Description

Cub Cadet XT1-46" Cub Cadet RZT L54 Fab Cub Cadet XT1 LT46 cub cadet xt1 Enduro 46in

ABOUT SPURICK

  • Forged directly from the belief that better products for Boat Supplies, and all other Outdoor Power Equipment is possible, SPURICK Parts combines attention to detail and a "Let Users Get Benefits" attitude.
  • We give repair professionals and boat owners greater freedom to fix boat supplies by focusing on solutions that save time and money and increase convenience and reliability.
  • We have branches in Europe and Australia, which allows our customers to spread across most countries.

  • Must use this seal to properly seat the drain/fill hole screw in the lower unit.
  • Used with 3/8 - 16 drain and fill hole screw on all MerCruiser stern drives, Mercury and Mariner outboards except the Verado series.
  • Helps prevent gear lube from leaking out and water from seeping in to the gear case causing serious damage.
  • This is the non-magnetic plug screw version.
Marine Magnetic Outdrive Gear Case Drain Plug

Whitey
2025-08-06 15:59:27
Fits a 2001 40hp mercury 2 stroke perfectly. Seems like the gaskets will hold up just fine in saltwater. Remember to drain and refill your lower gearcase once a season, and always flush your outboard after every single use.
Thubley
2025-07-25 11:22:12
Needed to find replacement parts for our Mercury 90HP OB Motor. When removing the old one after many times the ORing needed replaced and so did the screw. Found these, came as 2 to a pkg, nice to have a spare. Perfect fit on our Mercury 90 HP OB Motor. Arrived quickly.
Darryl
2025-06-24 10:43:35
works like it should
Hunter
2025-06-12 12:58:39
Great product
VA Bill
2025-05-27 14:10:01
Cannot beat this two pack of plugs for your Mercury and Thrust engine lubrication oil drain.
Tomahawk
2025-05-20 14:05:34
As expected
J
2025-04-26 20:01:05
Worked well and didn't leak but the price can't beat them.
Customer
2025-04-03 13:47:49
Just noting that these fit perfectly for anybody else looking to replace screws on a similar lower unit
Jacques Desmarais
2025-02-07 14:49:35
bon rapport qualité prix
DJT
2024-12-19 17:46:38
Replaced plugs on lower unit. For perfect, no leaks.
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