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- 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
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Picture
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Description
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12120 1984-1990 kit
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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 $48.89
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12110 1970-1983 kit
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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 $51.89
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87510 Seal kit OEM 26-33144A2
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11300 1 gear set
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Item 44A
P/N 11300 Forward-reverse-pinion gear set 17-28 ratio # 43-96084A4 $199.99
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11100 Merc 1 pinion forward
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Item 44B
P/N 11100 Pinion / forward gear 17-28 ratio 28 tooth forward / 17
tooth pinion gear OEM 43-96084A7 $264.99
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11020 stern drive reverse
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Item 44C
P/N 11020 Reverse gear OEM 43-92320T $267.99
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11190 Alpha pinion nut OEM 314730
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Item 45
P/N 11190 Pinion nut OEM 11-35921 $6.89
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11030 shift spool
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Item 46
P/N 11030 Shift spool OEM 818349T1 $86.95
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11040 Shift crank
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Item 47
P/N 11040 Shift crank OEM 76865 $78.99
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23220 Alpha one shims
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Item 48
P/N 23220 Shims *5 units for bore size 3.500 For bore size 3.265 use 23211 OEM 15-47397A1 $18.89
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21590 Bearing 1.875" ID
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Item 49
P/N 21590 lower unit forward timken bearing I.D. 1.875 OEM 31-35928T1 $63.89
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11420 roller bearing
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11050 spring
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Item 51
P/N 11050 Clutch dog spring OEM 24-30893 $4.95
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21131 Cross pin
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Item 52
P/N 21131 Cross pin *3 units OEM 17-30632 $4.95
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11060
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Item 53
P/N 11060 Mercruiser 1/R/MR/Alpha clutch dog OEM 52-853594T $199.99
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11150 Alpha propeller shaft
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Item 54
P/N 11155 Propeller shaft OEM 44-850308 Replaces 11150 OEM 44-824110 $399.99
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23290 outdrive shim
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23141 thrust ring
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Item 56
P/N 23141 Thrust ring OEM 35915 $27.89
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Alpha carrier ball bearing
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Item 57
P/N 21620 Reverse gear ball bearing OEM 30-88957T $44.99
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