Mercruiser outdrive parts drawing *Videos *SEI sterndrive

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Mercruiser outdrive lower unit parts drawing #44 to 57

Lower gear-case parts drawing

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

gearcase drawing

gearcase drawing

Picture

Description

12120 1984-1990 kit

12120 1984-1990 kit

A
P/N 12120
GLM Marine aftermarket lower unit water pump kit, years 1984-1990, S/N 6854393-OD469858. Note - for 1970-1983 models, use kit P/N 12110 $42.99

12120 1984-1990 kit

12110 1970-1983 kit

B
P/N 12110
Lower unit water pump kit, years 1970-1983, S/N 2763442-6854392. Note - for 1984-1990 Alpha One models, use kit P/N 12120 $44.99

87510 Seal kit OEM 26-33144A2

87510 Seal kit OEM 26-33144A2

C
P/N 87510
Seal and gasket kit $44.99

11300 1 gear set

11300 1 gear set

Item 44A
P/N 11300
Forward-reverse-pinion gear set 17-28 ratio # 43-96084A4 $199.99

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 $264.99

11020 stern drive reverse gear

11020 stern drive reverse

Item 44C
P/N 11020 Reverse gear OEM 43-92320T $267.99

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 $78.99

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 $13.99

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 $69.99

11420 roller bearing

11420 roller bearing

Item 50
P/N 11420
Needle roller bearing OEM 31-30895 $19.99

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 $199.99

11150 Alpha propeller shaft

11150 Alpha propeller shaft

Item 54
P/N 11155
Propeller shaft OEM 44-850308 Replaces 11150 OEM 44-824110 $399.99

23290 outdrive shim

23290 outdrive shim

Item 55
P/N
23290 Shim $19.99

23141 thrust ring

23141 thrust ring

Item 56
P/N 23141
Thrust ring OEM 35915 $29.99

Alpha carrier ball bearing

Alpha carrier ball bearing

Item 57
P/N 21620
Reverse gear ball bearing OEM 30-88957T $44.99