|
MerCruiser Upper Drive |
||||
| Type | Fits | OE# | Part# |  |
| Upper Gear Set | 1.98:1 for IL 4 Cylinder | 43-55778A 3 | 64778 | |
| Upper Gear Set | 1.84:1 for V6 | 43-75325A 3 | 64325 | |
| Upper Gear Set | 1.50:1 or 1.47:1 for V8 | 43-18411A 2 | 64411 | |
| Upper Driveshaft (Drive Shaft) | MC1 R MR Alpha I | 45-55796 | 64796 | |
| Upper Seal Kit | MCI R MR Alpha | 26-32511A1 | 64511 | |
| Back to Back Bearing Kit | MCI R MR Alpha & GII | 31-35988A12 | 18-1160 | |
| Upper Driveshaft (Drive Shaft) | Alpha I Gen II | 45-55796 1 | 64796-1 | |
| Upper Seal Kit | Alpha Gen II | 26-88397A 1 | 64397 | |
| Upper Seal Kit | Bravo I II III | 23-16709A 2 | 64709 | |
| Yoke Seal | R MR Alpha I | 26-823894 | 64894 | |
| U-joint ring | R MR Alpha I & Gen II | 35983 | 64983 | |
| Retainer Nut | Alpha I | 816811 2 | 64811 | |
| Pinion Nut (Upper) | R MR Alpha GII Bravo | 11-22339 | 18-3713 | |
| Shift Rod Bushing Assy | Alpha Gen II | 23-815921A21 | 18-2353 | |
| Pinion Nut (Lower) | R MR Alpha I & Gen II | 11-35921 | 18-3719 | |
| Carrier Nut | Alpha & Bravo | 19448 | 3751 | |
| Tab Washer | Alpha & Bravo | 14-18323 | 2298 | |
| Shift Shaft Bushing | R MR Alpha I | 23-30617A2 | 64617 | |