Parts Catalog

Replacements
Home / Mercury / Mercury Marine [Updated: Apr. 10, 2026] / Outboard / 2 Stroke Carb / 20C (THRU PROP. EXHAUST) / [6A9-550694 & Up] - Canada - Cat.# 90-12537 / GEARHOUSING ASSEMBLY

GEARHOUSING ASSEMBLY

Parts (105)

#Part NumberDescriptionQtyStatus
0-1 9360M GEAR HOUSING ASSEMBLY (SHORT SHAFT) 1 disc.
0-1 9361M GEAR HOUSING ASSEMBLY (LONG AND ULTRA LONG SHAFT) 1 superseded
1 9362M   GEAR HOUSING ASSEMBLY 1 disc.
10 84791M   WASHER (SHORT SHAFT) 3 disc.
11 84792M   COVER WATER PUMP (LONG SHAFT) 1 disc.
12 96293M   BOLT (LONG SHAFT) 3 superseded
13 82214M   WASHER (LONG SHAFT) 3 disc.
14 95652M   INSERT WATER PUMP 1 disc.
15 95653M     SEAL 1 disc.
16 95654M   BASE PLATE 1 disc.
17 41273M   GASKET HOUSING 1 superseded
18 84797M   IMPELLER 1
19 95655M   PROTECTOR OIL SEAL 1 superseded
2 81924M   PLUG 3 disc.
20 84054M   O-RING 1
21 82233M   SEAL Oil 2 superseded
22 41271M   COVER OIL SEAL 1
23 41272M   GASKET PROTECTOR 1 superseded
24 84800M   DRIVESHAFT (SHORT SHAFT) 1 disc.
24 84801M   DRIVESHAFT (LONG SHAFT) 1 disc.
24 84802M   DRIVESHAFT (ULTRA LONG SHAFT) 1 disc.
25 81603M   KEY IMPELLER DRIVE 1 disc.
26 84803M   BEARING ROLLER (LOWER) 1 disc.
27 84804M   SLEEVE DRIVE SHAFT 1 disc.
28 81638M   SHIM DRIVE SHAFT (.05 MM) AR disc.
28 81639M   SHIM DRIVE SHAFT (.08 MM) AR disc.
28 81640M   SHIM DRIVE SHAFT (.12 MM) AR superseded
28 81641M   SHIM (.30 MM) AR superseded
28 81642M   SHIM DRIVE SHAFT (.50 MM) AR superseded
29 84805M   BEARING TAPERED ROLLER (UPPER) 1 superseded
3 81987M   GASKET PLUG 3 superseded
30 81624M   THRUST WASHER 1 disc.
31 84806M   GEAR Pinion 1 superseded
32 84807M   NUT 1 disc.
33 81626M   SHIM FORWARD GEAR (.05 MM) AR disc.
33 81627M   SHIM FORWARD GEAR (.08 MM) AR disc.
33 81628M   SHIM FORWARD GEAR (.12 MM) AR superseded
33 81629M   SHIM FORWARD GEAR (.30 MM) AR superseded
33 81630M   SHIM FORWARD GEAR (.50 MM) AR superseded
34 82321M   BEARING TAPERED ROLLER (FORWARD) 1 superseded
35 84808M   GEAR FORWARD 1 superseded
36 82078M   SPRING COMPRESSION 1 disc.
37 80679M   SLIDE SPRING 1 disc.
38 81644M   CLUTCH 1 superseded
39 81899M   PIN Cross 1 disc.
4 84787M   RETAINER SHIFT SHAFT 1 disc.
40 80678M   RING CROSS PIN 1 disc.
41 80680M   PLUNGER SHIFT 1 disc.
42 81831M   WASHER THRUST 1 disc.
43 84809M   PROPELLER SHAFT 1 superseded
44 84810M   GEAR REVERSE 1 superseded
45 84811M   CARRIER Bearing 1 superseded
46 82295M   BEARING ROLLER 1 superseded
47 81633M   SHIM REVERSE GEAR (.05 MM) AR disc.
47 81634M   SHIM REVERSE GEAR (.08 MM) AR disc.
47 81635M   SHIM REVERSE GEAR (.12 MM) AR superseded
47 81636M   SHIM REVERSE GEAR (.30 MM) AR superseded
47 81637M   SHIM REVERSE GEAR (.50 MM) AR superseded
48 81632M   WASHER THRUST 1 disc.
49 84812M   O-RING 1 superseded
5 84788M   SCREW 1 disc.
50 82315M   BEARING ROLLER 1 disc.
51 84813M   SEAL Oil 2 disc.
52 84814M   WASHER TAB 1 disc.
53 81619M   NUT 1 superseded
54 81916M   KEY 1 disc.
55 41275M PIN Dowel DOWEL 2
56 95656M   GASKET WATER PUMP 1
57 94720M BOLT 2 disc.
58 81711M BOLT 2 disc.
59 82220M WASHER 4 disc.
6 83069M   SHIFT SHAFT ASSEMBLY (SHORT SHAFT) 1 disc.
6 83052M   SHIFT SHAFT ASSEMBLY (LONG SHAFT) 1 disc.
6 83805M   SHIFT SHAFT ASSEMBLY (ULTRA LONG SHAFT) 1 disc.
60 82364M PIN Dowel DOWEL 2 disc.
61 82795M TRIM TAB 1 superseded
62 82477M BOLT 1 disc.
63 41896M COVER WATER INLET (PORT) 1 disc.
64 41897M COVER WATER INLET (STAR BOARD) 1 disc.
65 84300M SCREW 1 superseded
66 81781M NUT 1 superseded
67 81605M TUBE Water (SHORT SHAFT) 1 disc.
67 84816M TUBE Water (LONG SHAFT) 1 disc.
67 84817M TUBE Water (ULTRA LONG SHAFT) 1 disc.
68 84818M SEAL UPPER 1 disc.
69 80239M SEAL LOWER 1 disc.
7 82914M     BOOT 1
70 84819M SEAL 1 disc.
71 84820M EXTENSION Water Tube (LONG AND ULTRA LONG SHAFT) (SEE NOTE) 1 disc.
72 84821M O-RING (LONG AND ULTRA LONG SHAFT) 2
73 41277M PLATE (LONG AND ULTRA LONG SHAFT) 1 disc.
74 81650M THRUST HUB FORWARD 1 superseded
75 84823M THRUST HUB REVERSE 1 superseded
76 82222M WASHER 1 superseded
77 81774M NUT PROPELLER 1 disc.
78 82131M COTTER PIN COTTER OPTIONAL PARTS 1 superseded
79 95633M PLUG OPTIONAL PARTS 1 superseded
8 95651M   HOUSING WATER PUMP 1 disc.
80 95657M PUMP KIT Water Pump - Chrome 1 disc.
81 95658M   INSERT CARTRIDGE 1 disc.
82 95653M   SEAL (Seal attached to insert in Kit 95657M) 1 disc.
83 95659M   BASE PLATE 1 disc.
83 95660M GASKET SET LOWER UNIT REPLACEMENT PARTS 1 superseded
83 95661M REPAIR KIT WATER PUMP REPLACEMENT PARTS 1 superseded
9 84790M   BOLT (SHORT SHAFT) 3 superseded