Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser outdrive lower unit drawing *parts 44 to 57

Lower gear-case drawing

  • Breakdown drawing of lower unit including gear sets, seals, bushings and propeller shaft
  • Forward, reverse, pinion gears with clutch dog

Exploded view Mercruiser drawings
Search by part number or description here

gearcase drawing

gearcase drawing

Picture
Description
12120 1984-1990 kit

12120 1984-1990 kit

1A
P/N 17100
GLM Marine aftermarket lower unit years 1972 to 1990 with 2 year limited warranty. No core deposit required. $795.95

87510 Seal kit OEM 26-33144A2

87510 Seal kit OEM 26-33144A2

A
# 87510 Seal and gasket kit $42.95

11300 1 gear set

11300 1 gear set

Item 44A
P/N 11300
Forward-reverse-pinion gear set 17-28 ratio # 43-96084A4 $699.95

11100 Merc 1 pinion forward

11100 Merc 1 pinion forward

Item 44B
P/N 11100 Pinion / forward gear 17-28 ratio 28 tooth forward / 17 tooth pinion gear OEM 43-96084A7 $623.95

11020 stern drive reverse

11020 stern drive reverse

Item 44C
P/N 11020 Reverse gear OEM 43-92320T $299.95

11190 Alpha pinion nut OEM 314730

11190 Alpha pinion nut OEM 314730

Item 45
P/N 11190 Pinion nut OEM 11-35921 $4.95

11030 shift spool

11030 shift spool

Item 46
P/N 11030 Shift spool OEM 818349T1 $86.95

11040 Shift crank

11040 Shift crank

Item 47
P/N 11040 Shift crank OEM 76865 $67.95

23220 alpha one shims

23220 Alpha one shims

Item 48
P/N 23220 Shims *5 units for bore size 3.500 For bore size 3.265 use 23211 OEM 15-47397A1 $11.95

21590 Bearing 1.875" ID

21590 Bearing 1.875" ID

Item 49
P/N 21590 lower unit forward timken bearing I.D. 1.875 OEM 31-35928T1 $59.95

11420 roller bearing

11420 roller bearing

Item 50
P/N 11420 Needle roller bearing OEM 31-30895 $14.95

11050 spring

11050 spring

Item 51
P/N 11050 Clutch dog spring OEM 24-30893 $4.95

21131 Cross pin

21131 Cross pin

Item 52
P/N 21131 Cross pin *3 units OEM 17-30632 $4.95

11060

11060

Item 53
P/N 11060 Mercruiser 1/R/MR/Alpha clutch dog OEM 52-853594T $225.95

11150 Alpha propeller shaft

11150 Alpha propeller shaft

Item 54
P/N 11155 Propeller shaft OEM 44-850308 Replaces 11150 OEM 44-824110 $660.95

23290 outdrive shim

23290 outdrive shim

Item 55
P/N 23290 Shim $4.95

23141 thrust ring

23141 thrust ring

Item 56
P/N 23141
Thrust ring OEM 35915 $26.95

Alpha carrier ball bearing

Alpha carrier ball bearing

Item 57
P/N 21620 Reverse gear ball bearing OEM 30-88957T $37.95