| MerCruiser Lower Drive | |||||
| Please scroll down to view all parts. | |||||
| Or click below to return to the following: | |||||
| Transom | Trim Hoses | Anodes | Driveline | ||
| Upper Drive | Lower Drive | Bearings & Shims | |||
| Gaskets Electrical Cooling | |||||
| Drive Unit Carburetion | |||||
MerCruiser Lower Drive PROUDLY MADE IN THE USA!! Due to the commitment to higher quailty, our gears must be used as matched sets (Fwd, Pin & Rev). In most cases, they are made from a higher grade of steel which may damage other gears. |
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| Type | Fits | OE# | Part# | Click here to view product, price, or  |
| Lower Seal Kit | R MR Alpha I | 26-33144A 2 | 64144 | |
| Lower Seal Kit | Alpha I Gan II | 26-816575A 3 | 64575 | |
| Complete Lower Gear Set | This is the Gen II gear set with oe fwd gear bearing to retrofit into Alpha I housing | - | 64086 | |
| Complete Lower Gear Set | Alpha Gen II | - | 64087 | |
| Drain Screw w/ Gasket | - | 22-67892A 1 | 64892 | |
| Clutch Dog | R MR Alpha GII & 3.0L OB | 52-853594T | 64594 | |
| Clutch Dog Spring | R MR Alpha GII & 3.0L OB | 24-30893 | 65893 | |
| Clutch Dog Pin | R MR Alpha GII & 3.0L OB | 17-30632 | 65632 | |
| Lower Drive Shaft | MR Alpha I | 45-42634 | 64634 | |
| Lower Drive Shaft | Alpha Gen II | 45-816919 | 64919 | |
Prop Shaft |
R MR Alpha I Gen II | 44-850308, 44-824110 | 64110 | |
Reverse Thrust Ring |
R MR Alpha I Gen II & Outboard | 68100 1 | 64100 | |
| Drive Shaft Retainer Nut | R MR Alpha I | 824519 1 | 64519 | |
| Shift Shaft | R MR Alpha I Gen II | 77481 1 | 64481 | |
Bearing Carrier |
Alpha I & Gen II | 818763A10 | 65763 | |
Shift Spool |
R MR Alpha I Gen II & Outboard | 818349A1 | 64349 | |
Shift Crank |
R MR Alpha I Gen II & Outboard | 76865 | 65865 | |