MerCruiser Bravo I Gear Housing Diagram
Applicable for serial numbers 0B664190 & Up
Ref
Part #
Note
Qty
Description
1
1656-8866A10
1
1
Complete gear housing (standard pickup) (0B664190 - 0D469908)
1656-8866A63
2
1
Complete gear housing (dual pickup) (0D469909 & up)
1656-8866J01
1
Complete gear housing (SeaCore)
1656-8866A62
1
Complete gear housing (X/XR) (DWP) (1.50)
1656-8866A61
1
Complete gear housing (X/XR) (LWP) (1.50)
1656-8866A11
1
1
Basic gear housing (standard pickup) (0B664190 - 0D469908)
1656-8866A64
2
1
Basic gear housing (dual pickup) (0D469909 & up)
1656-8866A54
1
Basic gear housing (Bravo I Performance) (Low water pickup)
1656-8866J00
1
Basic gear housing (SeaCore)
2
16-57920 3
2
Stud
3
25-33465
3,4,5,6
1
O-ring
4
26-45577 1
3,4,5,6
1
Quad seal
5
26-36556
3,4,5
1
Seal (1/2 inch OD)
26-805344
4,5,6
1
Seal (5/8 inch OD)
6
31-86754T
4,5
1
Roller bearing
7
76214Q5
1
Trim tab assembly
8
13-806210
1
Lockwasher
9
10-806327
1
Screw
10
15-92914A1
4,5
AR
Shim set
11
31-8M0103470
4,5
1
Tapered roller bearing
12
45-858517A3
1
Drive shaft assembly
13
31-815901
4,5
1
Bearing race
14
31-8M0103473
4,5
1
Tapered roller bearing
15
14-86739
1
Tab washer
16
15-86749A1
4,5
AR
Shim set
17
23-8M0046302
1
Spacer
18
25-20826
3,4,5,6
1
O-ring
19
88243A3
1
Coupling assembly
20
53-88242
1
Retaining ring
21
43-14063A1
5
1
Gear set (15/19 teeth)
43-818928A2
5
1
Gear set (15/19 teeth) (X/XR)
22
12-86746
4,5
1
Washer (0K999999 & below)
12-805068
1
Washer (0M100001 & up)
23
11-20739
4,5
1
Nut (0K999999 & below)
10-808027
1
Screw (0M100001 & up)
24
15-87157A1
4,5
AR
Shim set
25
31-8M0103471
4,5
1
Tapered roller bearing
26
44-41630T
1
Propeller shaft
44-840377T
1
Propeller shaft - heavy duty (X/XR/XZ)
27
12-90886
1
Washer (not used on XR/XZ)
28
31-8M0103470
1
Tapered roller bearing
31-8M0103476
1
Tapered roller bearing (XR/XZ)
29
67440T
4,5
1
Load ring
30
12-42256
4,5
1
Thrust ring (.105 inch thick)
31
41641A8
1
Bearing carrier assembly
41641A18
1
Bearing carrier assembly (SeaCore)
840372A2
1
Bearing carrier assembly (XR/XZ)
32
25-31534
3,4,5,6
1
O-ring
33
26-76868
3,4,5
2
Oil seal
26-815565
6
2
Oil seal (XR/XZ)
34
10-8M0058389
1
Drain screw (new design)
35
25-805726
4,5
1
O-ring
12-19183 3
4,5,6
1
Washer (fiber)
36
806188Q01
1
Anode
37
10-806290
2
Screw
38
13-69432
2
Lockwasher
39
14-18323
4,5
1
Tab washer
40
8M2011027
1
Cover nut
8M2000347
1
Cover nut (SeaCore)
41
12-835467Q01
1
Thrust hub
42
12-31211A3
1
Washer
43
14-816629Q
1
Tab washer
44
11-52707Q1
1
Propeller nut
45
10-90084
1
Screw
47
12-861854
2
Washer
48
11-35053
2
Nut
48
13-42351 1
1
Continuity washer
49
22-8M0058389
1
Drain screw (old design)
50
12-19183 3
4,5,6
1
Washer (old design)
51
840389K06
1
Propeller hub assembly (XR/XZ)
52
-
1
Propeller hub (XR/XZ)
53
12-840383A2
1
Washer/nut kit (XR/XZ)
54
840382A02
1
Snubber (XR/XZ)
-
26-76868A04
Gear housing seal kit
-
26-815565A02
Gear housing seal kit (XR/XZ)
-
31-803080T02
Gear housing bearing repair kit
-
43-803081T02
Gear housing repair kit
Note 1: Use with casting # 1656-8865C, C1, C2S or C18S
Note 2: Use with casting # 1656-8865C2 or C18
Note 3: Contents of gear housing seal kit QS-26-76868A04
Note 4: Contents of gear housing bearing repair kit QS-803080T02
Note 5: Contents of gear housing gear repair kit 43-803081T02
Note 6: Contents of gear housing seal kit 26-815565A02
AR: As required