Gearcase For Alpha One Gear Housing (Except Gen II)

| Reference # | Description | SEI# | OE#
|
| 1 | Alpha Gen I Lower Case (3.50" O.D. Fwd Bearing) | 97-108-20K | 1623-8951A37 |
| 2 | Guide Tube | 96-102-05 | 23-29804T |
| 3 | Seal | 96-102-04 | 26-38970 |
| 4 | Driveshaft O-Ring MC-I/R/MR/Alpha I | 95-102-01 | 25-30613 |
| 5 | Slinger | 96-102-06 | 25-30271 |
| 6 | Nut 5/16 | 98-102-20 | 11-13436 |
| 6 | Nut 1/4
| 98-102-19
| 11-826711 9 |
| 7 | Washer 5/16 | 98-102-21
| 12-36001 |
| 7 | Washer 1/4
| 98-102-49
| 0306358 |
| 8 | Screw (#14-8 X 2-1/4 In.) | 98-102-18
| 10-96411 |
| 9 | Pump Housing | 96-102-01 | 46-96148T1 |
| 10 | Included in Water Pump Housing | N.S.S. | 48752T |
| 11 | Impeller | 96-102-03 | 47-89984T4 |
| 12 | Gasket-Upper | 95-102-11 | 27-858524 |
| 13 | Wear Plate | 96-102-09 | 32435 |
| 13A | Gasket-Lower | 95-102-12 | 27-85608 1 |
| 14 | Water Pump Base MR/Alpha I Gen I | 96-102-10K | 46-44292A3 |
| 14 | Water Pump Base MC-1/R
| 96-102-10AK
| 46-57234A1 |
| 15 | Oil Seal | 94-102-01 | 26-16977 |
| 15A | Oil Seal
| 94-102-02
| 26-89238 |
| 16 | O-Ring MR/Alpha I | 95-108-01 | 25-90011 |
| 16 | O-Ring MC-I/R
| 95-108-01A
| 25-38099 |
| 17 | Water Pump Base Gasket MR/Alpha I
| 95-108-02
| 27-42631 1 |
| 17 | Water Pump Base Gasket MC-1/R
| 95-102-02
| 27-856704 |
| 18 | Retrainer MR/Alpha I | 98-102-17 | 824519 1 |
| 19 | Tapered Roller Bearing MR/Alpha I | 93-102-13 | 36387A 1 |
19
| Tapered Roller Bearing MC-1/R
| 93-102-13A
| 31-53079A 1 |
| 20 | Shim Set (For 93-102-13 Bearing) | 98-106-04K | 15-42637A1 |
| 20 | Shim (For 93-102-13 Bearing)
| 98-102-04K
| 15-57007A1 |
| 21 | Water Pump Key R/MR/Alpha I | 98-102-22
| 28-56654 |
| 22 | Driveshaft MR/Alpha I | 92-116-04 | 45-42634 |
22
| Driveshaft MC-I/R
| N/A | 45-41939F1 |
| 23A | Insert (Port) | 98-102-30 | 93424 1 |
23B
| Insert (Stbd.)
| 98-102-29
| 93423 1
|
| 24 | Insert Screw
| 98-102-31
| 10-76156 |
| 25 | 10/32 5/16 Head | 98-102-32
| 11-45812 |
| 26 | 7/16-14 x 1-3/4 SHCS | 98-102-34
| 10-32470 |
| 27 | 3/10 X 1/2 Dowel Pin SS R/MR/ Alpha I | 98-102-63
| 17-35973 |
| 28 | Anode | 98-102-36
| 31640Q4 |
| 29 | Screw, 3/8-16 X 1 SHCS S/S | 98-102-35
| 10-98794 |
| 30 | Locknut 7/16-20 | 98-102-12
| 11-859116 |
| 31 | Oil Seal (8X11X1.75) | 94-102-04 | 26-45577 1 |
| 32 | Drain Screw Gasket | 98-102-09
| 12-19183 |
| 33 | Plug, Fill And Drain | 98-102-27K
| 22-67892A1 |
| 34 | Pinion Bearing | 93-102-14 | 31-42647A1 |
| 35 | Complete Gear Set MR/Alpha I (3.500 O.D). | 91-104-03K | 878087A4 + 824109A1 |
35
| Complete Gear Set MR/Alpha I (3.265 O.D).
| 91-104-03AK
| 828072A3 + 828073A1 |
| 36 | Washer, Pinion Nut | 98-102-41 | 92721 |
| 37 | Nut, Pinion To Driveshaft | 98-102-37 | 11-35921 |
| 38 | 3/8 Id X 1 Od Flat Washer S/S | 98-102-23 | 12-29395 |
| 39A | Rubber Washer | 98-102-24 | 12-31266 |
| 39 | Oil Seal (9.5X19.05X6.4) | 94-102-03 | 26-89236 1 |
| 40 | Shift Bushing Assembly | 98-102-05K | 23-30617A2 |
| 41 | O-Ring | 95-102-03 | 25-25439 |
42
| Washer
| 98-102-25
| 12-27880
|
43
| Clip, Shift Rod
| 98-102-26
| 53-29641
|
44
| Shift Shaft Alpha I Gen I
| 92-104-06
| 77481 1
|
45
| Shift Crank Pin
| N/A
| N/A
|
46
| Shift Crank
| 97-102-05
| 76865
|
| 47 | Shift Spool | 92-106-10 | 818349T1 |
| 54 | Shim Set (For 93-102-15 Bearing) | 98-106-05K | 15-47397A1 |
| 55 | Fwd. Bearing, LRG OD / SML ID | 93-102-15 | 31-828437A2 |
| 55 | Fwd Bearing, SML OD / LRG ID
| 93-102-15A | 31-828439A2 |
| 56 | Bearing, Inner Forward Gear | 93-102-16 | 31-30895T |
| 57 | See Ref # 35 | N.S.S. | N/A |
| 58 | Spring, Clutch Dog | 98-102-38 | 24-30893 |
| 59 | Clutch | 91-102-06 | 52-853594T |
| 60 | Cross Pin | 98-102-39 | 17-30632 |
| 61 | Propshaft | 92-102-05 | 44-850308 |
| 62 | See Ref # 35 | N.S.S.
| N/A
|
| 63 | Thrust Ring | 98-102-40 | 68100 1 |
| 64 | Bearing, Reverse Gear | 93-102-11 | 30-88957T |
| 65 | O-Ring | 95-102-04 | 25-31534 |
| 66 | Bearing, Propshaft | 93-102-12 | 31-30956T |
| 67 | Bearing Carrier Assembly (Alpha I Gen II) | 97-102-06K | 730956T |
| 68 | Key | N/A | N/A |
| 69 | Oil Seal (Inside) | 94-108-01 | 14077 |
| 69 | Oil Seal (Outside)
| 94-102-06 | 26-12224 |
| 70 | Tab Washer | 98-102-42 | 18323 |
| 71 | Cover | 97-102-03 | 79448 |
| 72 | Thrust Hub | 98-106-43 | 12-835467 1 |
| 73 | Lockwasher | 98-102-44 | 13-42351 1 |
| 74 | Receiver | 98-102-45 | 12-31211A3 |
| 75 | Tab Washer | 98-102-47 | 14-816629 |
| 76 | Propeller Nut | 98-102-48 | 11-827614 |
| Not Shown | Alpha I Gen I Water Pump Kit | 96-102-01K | N/A |
Not Shown
| Alpha I Gen I Impeller Kit
| 96-102-03K
| N/A
|
Not Shown
| Water Pick Up Inser Kit | 98-102-29K | N/A
|
Not Shown
| Trim Plate | 98-102-36A
| 76214A 5 |
Not Shown
| Seal Kit R/MR/Alpha I | 95-102-11K | 26-33144A2 |
Not Shown
| Water Pump Alignment Pin | 98-102-66
| 42836 |