Page 861 - 2021 Sierra Catalog

I/O — MERCRUISER - Generation II Lower Gearcase Assembly
Figure # Description Part # OEM # Qty. Figure # Description Part # OEM # Qty.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18 & 19
20 21
22 23
24 Sleeve 18-2349 23-67370 1
25 Seal 18-2009 26-89236 1
Gear Housing Sleeve
Coupling
O-Rings
Face Seal
Screw, 10-32 X 5/8 Star Washer Water Pump Body Impeller
Gasket
Face Plate
Gasket
Seal Carrier
O-Ring
Seal
Seal
Cover Nut
Bearing, Upper Driveshaft (1.50-1.65 Ratio)
Shim Kit
Drive Shaft (1:47 & 1:62)
Drive Shaft (1:50 & 1:65)
Drive Shaft (1:84 & 1:98) (Early Style use with 18-1143)
18-2415 — 18-3151 18-7420 18-2599 NSS
NSS 18-3147 18-3056 18-2563 18-3122 18-2564-1 18-2354 18-7176 18-2013 18-2014 18-2346 18-1143
18-2294 18-2331 18-2261
—
1623-815822A36 23-816573 816597A1 25-21836 26-816575A2 10-816928 13-69432 817275A1 47-43026-2 27-817277 817276 27-43033-1 821759A2 25-90011 26-16977 26-89238 824519 31-36387A1
& 51
1 39 1 40
1 41
2 42
1 43 4 44 4 45 1 46 1 47 1 48 1 49 1 50 1 52 1 53 1 54 1 55 1 56 1 57
Trim Tab
Washer, Anode Mounting Bolt, Anode Mounting
Pinion Bearing
Pinion Gear
Washer
Nut
Pin
Shift Crank
Shift Spool Assembly
Shim Kit
Forward Gear, Outer Bearing Retaining Clip, Inner Bearing Forward Gear, Inner Bearing Forward Gear
Cross Pin Spring
Sliding Clutch
Cross Pin
Propeller Shaft
18-6016 —
— 18-1117 18-2206 18-2343 18-3719 — 18-2130 18-2286 18-2285 18-1159 NSS 18-1157 18-2206 18-2348 18-2202 18-2357 18-2166
76214A5 1 13-806210 1 10-806327 1 31-42647A1 1 43-828072A2 1 12-92721 1 11-35921 1 17-37972-1 1 76865 1 818349A1 1 15-47397A1 1 31-35928A1 1 — 1 31-30895 1 43-828072A2 1 24-30893 1 52-824112 1 17-30632 1 44-824110 1
15-42637A1 1 45-853648 1 45-816919 1
45-816472
58
59 Spacer — 23-824108 1
60
61 1 62
Reverse Gear Thrust Ring Ball Bearing
18-2206 18-2342 18-1155
43-828072A2 1 681001 1 30-88957A1 1
Impeller Drive Key Shift Shaft
18-3293 18-2320
28-43037 1 815919A1 1
63 O-Ring 18-7159 25-31534 1
64 65
66 Seal 18-2002 26-14077 1
67 Seal 18-2076 26-12224 1
Roller Bearing Bearing Carrier
18-1158 18-2376
31-30956 1 818763A10 1
26 27 28 29
30 O-Ring 18-7440-1 25-36318 1
31 O-Ring 18-7440-1 25-36318 1
Shift Rod Bushing Assembly Screw, 10-32 X 5/8
Star Washer
Speedometer Pickup Fitting
18-2353 NSS NSS
—
23-815921A21 1 10-806290 2 13-69432 2 NSS 1
68 69 70 71 72 73 74 75 76 77
Carrier Anode
Lockwasher, Anode Mounting Bolt, Anode Mounting
Tab Washer
Cover Nut
Thrust Hub
Continuity Washer
Splined Washer
Tab Washer
Propeller Nut
Seal Kit (Not Pictured)
18-6093 —
— 18-2298 18-3751 18-4220 NSS 18-3714 18-3200 18-3700 18-2646-1
806105A1 1 13-69432 2 10-806290 2 14-18323 1 79448 1 13171 1 13-42351-1 1 12-31211A2 1 14-31210 1 11-52707 1 26-816575A3 1
32
33
34
35 Seal 18-2944 26-45577 1
38
Retaining Ring Dowel Pin Stud, Mounting
18-4295 —
—
53-29641 1 17-43044 1 16-57984 1
36
37 Plug 18-2375 22-67892A1 1
Dowel Pin
Drain Screw Gasket
— 18-2945
17-43044 1 12-19183 1
NSS Not Sold Seperate
843