MerCruiser Bravo III Gear Housing Diagram
Applicable for serial numbers 0B664190 & Up
| Ref | Part # | Note | Qty | Description |
|---|---|---|---|---|
| 1 | 1656-8866G07 | 1 | Complete gear housing (1.36,1..50) | |
| 1656-8866G08 | 1 | Complete gear housing (1.65) | ||
| 1656-8866J24 | 1 | Complete gear housing (1.65) SeaCore | ||
| 1656-8866G09 | 1 | Complete gear housing (1.81, 2.00, 2.20) | ||
| 1656-8866J09 | 1 | Complete gear housing (1.81, 2.00, 2.20) SeaCore | ||
| 1656-8866G10 | 1 | Complete gear housing (2.43) | ||
| 1656-8866J25 | 1 | Complete gear housing (2.43) SeaCore | ||
| 1656-8866G06 | 1 | Complete gear housing (1.81) (XR) | ||
| 1656-8866G01 | 1 | Basic gear housing | ||
| 1656-8866J30 | 1 | Basic gear housing (SeaCore) | ||
| 2 | 16-57920 3 | 2 | Stud | |
| 3 | 25-33465 | 1,2,3,4,5 | 1 | O-ring |
| 4 | 26-45577 1 | 1,2,3,4,5 | 1 | Quad seal |
| 5 | 26-805344 | 1,2,3,4,5 | 1 | Seal |
| 6 | 10-806327 | 1 | Screw | |
| 7 | 13-806210 | 1 | Lockwasher | |
| 8 | 76214Q5 | 1 | Trim tab assembly | |
| 9 | 31-86754T | 1,2,3,4,5 | 1 | Roller bearing |
| 10 | 10-8M0058389 | 1 | Drain screw | |
| 11 | 26-830749 | 1,2,3,4,5 | 1 | Washer |
| 12 | 10-808027 | 1 | Screw | |
| 13 | 12-805068 | 1 | Washer | |
| 14 | 43-805448A1 | 3 | 1 | Gear set (1.36,1.50) (15/19 teeth) |
| 43-824517A1 | 4 | 1 | Gear set (1.65) (18/25 teeth) | |
| 43-822535A1 | 5 | 1 | Gear set (1.81,2.00,2.20) (16/27 teeth) | |
| 43-828336A1 | 6 | 1 | Gear set (2.43) (13/24 teeth) | |
| 43-841910A01 | 1 | Gear set (1.81) (17/26 teeth) (XR) | ||
| 15 | 15-92914A1 | 2,3,4,5 | AR | Shim set |
| 16 | 31-8M0103470 | 2,3,4,5 | 1 | Tapered roller bearing |
| 17 | 45-858517A3 | 1 | Drive shaft assembly | |
| 18 | 31-815901 | 2,3,4,5 | 1 | Bearing race |
| 19 | 31-8M0103473 | 2,3,4,5 | 1 | Tapered roller bearing |
| 20 | 14-86739 | 1 | Tab washer | |
| 21 | 15-86749A1 | 2,3,4,5 | AR | Shim set |
| 22 | 23-8M0046302 | 1 | Spacer | |
| 23 | 25-20826 | 1,2,3,4,5 | 1 | O-ring |
| 24 | 88243A3 | 1 | Coupling assembly | |
| 25 | 53-88242 | 1 | Retaining ring | |
| 26 | 15-87157A1 | 2,3,4,5 | AR | Shim set |
| 27 | 31-8M0103471 | 2,3,4,5 | 1 | Tapered roller bearing |
| 28 | 44-805073T | 1 | Inner prop shaft (0M179451 & below) | |
| 44-865322T | 1 | Inner prop shaft (0M179452-0W217056) | ||
| 44-865315A02 | 1 | Inner prop shaft (0W217057 & up) | ||
| 29 | 31-805322 | 2,3,4,5 | 1 | Thrust bearing (0W217056 & below) |
| 31-865260 | 1 | Thrust bearing (0W21705 & up) | ||
| 30 | 23-805072 1 | 1 | Bushing | |
| 31 | 15-805627A1 | 2,3,4,5 | AR | Shim set |
| 32 | 53-805096 | 1 | Retaining ring | |
| 53-8M2012170 | 1 | Retaining ring (Axius) | ||
| 33 | 15-805078A1 | 2,3,4,5 | 1 | Shim set |
| 34 | 31-805182A1 | 2,3,4,5 | AR | Tapered roller bearing |
| 35 | 44-865315A02 | 1 | Outer prop shaft | |
| 36 | 31-57410 | 2,3,4,5 | 1 | Roller bearing |
| 37 | 26-861695 | 2,3,4,5 | 2 | Oil seal |
| 38 | 8M2013382 | 1 | Retainer | |
| 39 | 865876A01 | 1 | Bearing carrier assembly | |
| 865876A03 | 1 | Bearing carrier assembly (SeaCore) | ||
| 40 | 25-805331 | 1,2,3,4,5 | 1 | O-ring |
| 41 | 31-805079T | 2,3,4,5 | 1 | Roller bearing |
| 42 | 26-861694 | 1,2,3,4,5 | 2 | Oil seal |
| 43 | 805100 | 1 | Front thrust hub | |
| 44 | 11-8M0105210 | 1 | Front propeller nut | |
| 45 | 805101T | 1 | Rear thrust hub | |
| 46 | 11-862907 | 1 | Rear propeller nut | |
| 47 | 10-90084 | 1 | Screw | |
| 48 | 12-861854 | 2 | Washer | |
| 49 | 11-35053 | 2 | Nut | |
| NS | 865182Q01 | 1 | Prop shaft anode (aluminum) | |
| NS | 865182A02 | 1 | Prop shaft anode (magnesium) | |
| NS | 10-865323 | 1 | Screw | |
| NS | 12-814806 | 1 | Washer | |
| NS | 13-72521 | 1 | Lockwasher | |
| - | 26-76868A04 | Gear housing seal kit | ||
| - | 31-803085T02 | Gear housing bearing repair kit | ||
| - | 43-803086T1 | Gear housing repair kit | ||
| - | 43-803087T02 | Gear housing repair kit | ||
| - | 43-803088T02 | Gear housing repair kit | ||
| - | 43-803089T02 | Gear housing repair kit |
Note 1: Contents of gear housing seal kit QS-26-76868A04
Note 2: Contents of gear housing bearing repair kit QS-31-803085T02
Note 3: Contents of gear housing gear repair kit 43-803086T1
Note 4: Contents of gear housing gear repair kit 43-803087T02
Note 5: Contents of gear housing gear repair kit 43-803088T02
Note 6: Contents of gear housing gear repair kit 43-803089T02
AR: As required
