- Lower gearcase drive shafts for all models including 1970 - 1983 MC-1/R model with spring loaded pre-load pin.
- Complete universal joint assemblies with yoke.
- GLM Marine tools that may be required for the removal and
installation of related parts.
- See our application chart to find the correct lower unit shaft for your outdrive
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11110 Mercruiser 1970-1983
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P/N 11110 OEM 45-41939F1 Drive shaft with pre-load pin $132.99 MC-1 / R (1970
- 1983) Serial numbers 2791957 - 6225576
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11120
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P/N 11120 OEM 45-42634 Drive shaft - does not have preload pin at top $154.99 Mercruiser
MR /Alpha 1 (1984 - 1990) Serial numbers 6225577 - OD469858
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11140
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P/N 11140 Lower unit drive shaft $475.99 OEM 45-816919, 45-816472, 45-853647,
45-853648 Alpha 1 Generation 2 (1991 - up) Serial numbers OD469859 and up
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28315 Yoke
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P/N 28315 OEM 814819A3 Yoke drive shaft - upper gearcase $119.99 9-1/2 inch
long M-1/R/MR/Alpha 1/Gen 2/SS (1971 - up) Serial numbers 3106717 and up
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28050
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P/N 28050 OEM 814819A2 Universal joint assembly for upper gearcase $499.99 Includes
yoke P/N 28310 OEM 46020-1, 9-1/2 inch long, 2 u-joints, socket, washer and nut. M-1/R/MR/Alpha 1/Gen 2/SS years 1971
- 1997 Serial numbers 3106717 - OK999999
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28070 Universal joint assembly
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P/N 28070 OEM 814819A7 U-joint assembly - upper gearcase $501.95 Includes yoke P/N
28312 OEM 853635, drive shaft (9-1/2 inch long), 2 u-joints, socket, washer and nut Alpha 1 Gen 2 (1998 - up) Serial
numbers OL100040 and up
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21570
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P/N 21570 OEM 31-53079A1 Tapered roller bearing $29.99 For MC-1/R (1970 -
1983) serial numbers 2791957 - 6225576 numbers 2791957 - 6225576
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21580
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P/N 21580 OEM 31-36387A1 Tapered roller bearing $46.99 Mercruiser
MC-1/R IA/IB/IC/EZ Shift (1964 - 1966) serial numbers 168188 - 2065186 120/140 4 cylinder and 160 (1967
- 1969) serial numbers 2065190 - 2791956 MR/Alpha 1 models (1984 - 1997) serial numbers 6225577
- OK999999
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21584 31-33138A1
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P/N 21584 OEM 31-331138A1 Roller bearing $48.99 For Alpha 1 Gen 2 (1998 -
up) Serial numbers OL100040 and up and up
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21512 Drive shaft bearing 31-86748A1
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P/N 21512 OEM 31-86748A1 Roller bearing $47.95 For Bravo 1 / Bravo 2 (1988
- up) Serial numbers OB664190 and up
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Tools
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90220 adapter
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P/N 90220 OEM 91-56775T adapter $35.95 For all models
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90240
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P/N 90240 OEM 91-56775T bearing retainer wrench $44.99 For MR/Alpha 1/Gen
2 models (1984 and up) Removes and installs the threaded bearing retainer
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90100 Retainer wrench 91-17256
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P/N 90100 OEM 91-17256 Retainer wrench $88.99 For all models including Bravo
and Blackhawk Removes and installs the bearing retainer
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