Mercury Marine Quicksilver Gearcase Drain Screw Kit – Single Pack, Compatible with Mercruiser, Part 10-79953Q04 / 18-2244

Description

Drain Screw Kit for Mercury

Helps prevent gear lube from leaking out and water from seeping into the gear case causing serious damage. Used with 3/8 – 16 drain and fill hole. 

Replaces Part #s: 10-79953Q04, 10-20259, 10-28634, 10-28634A1, 10-79953, 10-79953A2, 10-79953Q2, 10-F50109, 816610A1, 816610A2, F40109; 18-2244, 18-22441-9 (Sierra); 22420 (GLM); 9-72650, 9-72650-10 (Mallory)

Mercury: 10-79953Q04

GLM: 22420

Mallory: 9-72650, 9-72650-10

Sierra: 18-2244, 18-22441-9

Includes: 1x Gasket, 1x Drain Screw

Fits: #1/R/MR/Alpha/Alpha I Gen II, Both Upper and Lower Units – All MerCruiser stern drives, Mercury and Mariner outboards except Verado series

For Use on the Following Mercury Mariner Outboards:

• 4HP (3296137 – 4107219) Bottom Cowl Assembly
• 4HP (3305152 – 7045757) Bottom Cowl Assembly
• 4HP (3306257 – 8026539) Bottom Cowl Assembly
• 4HP (9000306 – 90721718) Bottom Cowl Assembly
• 4HP (7085673 – 7146487) Drive Shaft Housing Assembly
• 4HP (9075839 – 9256980) Drive Shaft Housing Assembly
• 4HP, 3.9HP (1655013 – 3296136) Bottom Cowl Assembly
• 4HP, 3.9HP (1655013 – 2498135) Gear Housing (Drive Shaft)
• 4HP, 3.9HP (2498136 – 3296136) Gear Housing (Drive Shaft)
• 4.5HP (4107220 – 5595531) Bottom Cowl Assembly
• 4.5HP (7045758 – 7147237) Bottom Cowl Assembly
• 6HP (1408611 – 1916138) Bottom Cowl Assembly
• 6HP (1916139 – 2529894) Drive Shaft Housing Assembly
• 9.8HP (1470349 – 1865778) Bottom Cowl Assembly
• 9.8HP (1865779 – 27980568) Drive Shaft Housing Assembly
• 9.8HP (2798057 – 3263262) Drive Shaft Housing Assembly
• 9.8HP (3263263 – 3795657) Drive Shaft Housing Assembly
• 9.8HP (3795658 – 4839253) Drive Shaft Housing Assembly
• 9.8HP (4839254 – 5206549) Drive Shaft Housing Assembly
• 9.8HP (7027323 – 7111347) Drive Shaft Housing Assembly
• 9.8HP (7111348 – 7125387) Drive Shaft Housing Assembly
• 9.8HP (8015040 – 8050624) Drive Shaft Housing Assembly
• 9.8HP (8050625 – 8057544) Drive Shaft Housing Assembly
• 9.8HP (9041439 – 9165304) Drive Shaft Housing Assembly
• 9.8HP (9165303 – 9217755) Drive Shaft Housing Assembly
• 18HP (9332837X – 9390058X) Gear Housing (Drive Shaft)
• 18HP (6416713 – 6443972) Gear Housing (Drive Shaft) (Screw Inserted from Bottom)
• 18HP (7207858 – 7209532) Gear Housing (Drive Shaft) (Screw Inserted from Bottom)
• 18HP (9378116 – 9415100) Gear Housing (Drive Shaft) (Screw Inserted from Bottom)
• 18HP (6416713 – 6443972) Gear Housing (Drive Shaft) (Screw Inserted from Top)
• 18HP (7207858 – 7209532) Gear Housing (Drive Shaft) (Screw Inserted from Top)
• 18HP (9378116 – 9415100) Gear Housing (Drive Shaft) (Screw Inserted from Top)
• 20HP (1558310 – 1866495) Drive Shaft Housing Assembly
• 25HP (9332837X – 9390058X) Gear Housing (Drive Shaft)
• 25HP (6416713 – 6443972) Gear Housing (Drive Shaft) (Screw Inserted from Bottom)
• 25HP (7207858 – 7209532) Gear Housing (Drive Shaft) (Screw Inserted from Bottom)
• 25HP (9378116 – 9415100) Gear Housing (Drive Shaft) (Screw Inserted from Bottom)
• 40HP (2498136 – 3296136) Bottom Cowl Assembly
• 40HP (3305152 – 7045757) Bottom Cowl Assembly
• 40HP (3306257 – 8026539) Bottom Cowl Assembly
• 40HP (3296137 – 4107219) Bottom Cowl Assembly
• 40HP (9000306 – 90721718) Bottom Cowl Assembly
• 40HP (7085673 – 7146487) Drive Shaft Housing Assembly
• 40HP (9075839 – 9256980) Drive Shaft Housing Assembly
• 40HP (7040411YD) 1991 Gear Housing (Drive Shaft)
• 40HP (7040412YD) 1991 Gear Housing (Drive Shaft)
• 40HP (7040312YD) 1991 Gear Housing (Drive Shaft)
• 40HP (7040213YD) 1991 Gear Housing (Drive Shaft)
• 40HP (2498136 – 3296136) Gear Housing (Drive Shaft)
• 50HP (7050412YD) 1991 Gear Housing (Drive Shaft)
• 60HP (7060412YD) 1991 Gear Housing (Drive Shaft)
• 70HP (1413611 – 15662390 Gear House Assembly (Drive Shaft) – 700E, 700E-1, 700E-2
• 70HP (5702220 – 6428680) Gear Housing (Drive Shaft)
• 70HP (7177688 – 7208332) Gear Housing (Drive Shaft)
• 70HP (7070520) 1980 Gear Housing (Drive Shaft)
• 70HP (7070620) 1980 Gear Housing (Drive Shaft)
• 70HP (7070622) 1982 Gear Housing (Drive Shaft)
• 70HP (7070523) 1983 Gear Housing (Drive Shaft)
• 70HP (7070623) 1983 Gear Housing (Drive Shaft)
• 75HP (7075411YD) 1991 Gear Housing (Drive Shaft)
• 75HP (7075412YD) 1991 Gear Housing (Drive Shaft)
• 80HP (7080629) 1979 Gear Housing (Drive Shaft)
• 80HP (7080520) 1980 Gear Housing (Drive Shaft)
• 80HP (7080620) 1980 Gear Housing (Drive Shaft)
• 80HP (5763341 – 6432900) Gear Housing (Drive Shaft)
• 80HP (7162528 – 7208572) Gear Housing (Drive Shaft)
• 80HP (8066915 & Up) Gear Housing (Drive Shaft)
• 90HP (7090520) 1980 Gear Housing (Drive Shaft)
• 90HP (7090620) 1980 Gear Housing (Drive Shaft)
• 90HP (7090411YD) 1991 Gear Housing (Drive Shaft)
• 90HP (7090412YD) 1991 Gear Housing (Drive Shaft)
• 90HP (5721325 – 6436122) Gear Housing (Drive Shaft)
• 90HP (7190903 – 7208847) Gear Housing (Drive Shaft)
• 115HP (7115520) 1980 Gear Housing (Drive Shaft)
• 115HP (7115620) 1980 Gear Housing (Drive Shaft)
• 115HP (7115640) 1980 Gear Housing (Drive Shaft)
• 115HP (5738891 – 6436122) Gear Housing (Drive Shaft)
• 115HP (7191308 – 7208847) Gear Housing (Drive Shaft)
• 200HP (1558310 – 1866495) Drive Shaft Housing Assembly
• 275HP (7275412YD) 1991 Gear Housing (Drive Shaft) (Counter Rotation)
• 275HP (7275422YD) 1991 Gear Housing (Drive Shaft) (Counter Rotation)
• 275HP (7275425YD) 1991 Gear Housing (Drive Shaft) (Counter Rotation)
• 275HP (7275432YD) 1991 Gear Housing (Drive Shaft) (Counter Rotation)
• 275HP (7275435YD) 1991 Gear Housing (Drive Shaft) (Counter Rotation)
• 300HP (5611648 & Up) Gear Housing (Drive Shaft)
• Mercruiser Remanufactured Engines 8.6L – 540 CID Stroker 4V (1G400000 – 1G499999) Sea Water Pump Assembly
• Mercruiser Crate Engines 8.6L – 540 CID (1G800000 – 1G899999) Sea Water Pump Assembly
• Mercruiser Sterndrive Outdrives – Vazer Drive, Drive Shaft Housing and Drive Gears
• Mercruiser Sterndrive Transoms – Vazer Transom, Drive Shaft Housing and Drive Gears
• Mercruiser Sterndrive Outdrives – Quicksilver Alpha One Drive Shaft Housing and Drive Gears

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