Boating Solutions Mercury Mariner Outboard Gearcases Parts Guide

Mercury 2-4 Cyl Gearcase Breakdown

35 & 40 2-Cylinder Serial #2736807-G053313 & 70  3-Cylinder Serial #4571652-6428680

50/60/65 3-Cylinder Serial #3293184-D000749 & 40/45/50 4-Cylinder Serial #4357640 & Later

 

Figure # Part Description Sierra # AP # OEM # Qty
1 Gear Housing � � 1643-9539A1 1
2 Dowel Pin � � 17-85500 2
3 Stud � � 16-33778 3
3A. Stud � � 16-57933 2
4 Shift Cam � � 76039 1
5 Roller Bearing � � 31-62091 1
5A. Roller Bearing � � 31-21739 1
5B. Roller Bearing � � 31-21700 1
6 Suport Plate � � 92815 1
7 Exhaust Tube Seal 18-0539(2) 454 37721 1
8 Pinion Gear � � 43-98097 1
9 Nut � � 11-13438 3
9A. Pinion Nut � � 11-55910 1
9B. Nut � � 11-34863 1
9C. Nut 18-2362 118 11-34933 1
9D. Nut 18-3702(3) 124 11-69578A 1 1
10 Gasket 18-2841(1)(2) 315 27-19552 1
10A. Gasket 18-2823(1)(2) 304 27-19553 1
10B. Gasket 18-2824(1)(2) 306 27-19551 1
11 O-Ring 18-7153(1) 203 25-25439 1
11A. O-Ring 18-7160(1) 206 2531986 1
11B. O-Ring 18-7115(1)(2) 204 25-26722 1
12 Water Pump Base 18-3424(2) 1114 46-77177A1 1
13 Seal 18-2011(1)(2) 236 26-90562 1
13A. Seal 18-2055(1)(2) 280 26-79831 1
13B. Seal 18-2054(1) 196 26-816461 1
13C. Seals (2)

18-2051/

18-2052(1)

281/

282

26-69188/

26-69189

 1
14 Cam Follower � � 38441 1
15 Slide � � 20843 1
16 Tapered Roller Bearing 18-1162 1902 31-38356A1 1
17 Face Plate 18-3107(2) 33 54705 1
18 Forward Gear � � 43-55608A4 1
19 Impeller 18-3007(2) 2 47-89983 1
20 Key � � 28-56662 1
21 Water Pump Body 18-3118(2) 1109 46-77822A1 1
22 Insert 18-3115(2) 1025 48753 1
23 Washer 18-2316(1) 131 12-77674 1
23A. Washer � � 12-29245 3
23B. Washer � � 12-45175 1
23C. Washer � � 12-65791 1
24 Clutch � � 52-92911 1
25 Seal � (1)(2) 284 26-38452 1
26 Nylon Washer � (1)(2) � 12-38453 1
27 Slinger � (1)(2) 283 25-20273 1
28 Drain Plug 18-2398 2686 10-79953 2
29 Cross Pin � � 17-38113 1
30 Flush Plug � � 19-48750 1
31 Flush Plug Washer 18-2948(1) 1587 12-492211 1
32 Shift Shaft � � 76163A1 1
33 E-Clip � � 53-29641 1
34 Prop Shaft � � 44-75365 1
35 Shift Shaft Bushing 18-2155(1) 516 23-77631A2 1
36 Reverse Gear � � 43-79158 1
37 Thrust Washer � � 12-32004 1
38 Reverse Lock Base � � 78036 1
39 Rever Lock Cam � � 433081 1
40 Drive Shaft � � 45-981801 1
41 Spring � � 24-38114 1
41A. Spring � � 24-39845 1
42 Pin � � 17-30545 1
43 Sleeve � � 88181 1
44 Shim Set � � 15-92881A1 AR
44A. Shim Set � � 15-38374A1 AR
44B. Shim Set � � 15-20927A1 AR
45 Tapered Bearing � � 31-77420A1 1
46 Ball Bearing � � 30-20839 1
47 Bearing Carrier � � 69386A1 1
48 Key � � 28-30281 1
49 Tab Washer � � 14-53012 1
50 Cover Nut � � 11-87763 1
51 Trim Tab 18-6011 4000 31640A1 1
52 Screw � � 10-66024 1
53 Thrust Hub 18-4233 1385 73345A1 1
54 Thrust Hub 18-3204 45 14-76281 1
55 Washer 18-2945(1)(2) 2108 12-19183 2

(1) Indicates contents of seal kit 18-2654/AP#286  

(2) Indicates contents of water pump kit (Refer to application chart for correct kit)

(3) Prop Nut Kit (Includes tab washer)  AR = As Required

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Mercury 4-Cyl Gearcase Breakdown

70/75/80/90 4-Cylinder Serial #A996142 & Later & 100/115/125 4-Cylinder Serial #B209468 & Later

Figure #

Description

Sierra # AP # OEM # Qty
1 Water Tube Seal 18-8306(1) 2397 430232 1
2 Screw � � 10-8248327 4
3 Washer �(1) � 12-29245 4
4 Insulator � � 23-43045 4
5 Water Pump Housing � � 817275A2 1
6 Impeller 18-3056(2) 1814 47-430262 1
7 Impeller Key 18-3293 2677 28-43037 1
8 Gasket 18-2566(1)(2) 2401 27-817277 1
9 Face Plate 18-3122(2) 2187 817276 1
10 Gasket 18-2564(1)(2) 1483 27-430331 1
11 Screw � � 10-8248326 6
12 Washer � � 12-29245 6
13 Pump Base � � 43055A4 1
14 Seal 18-0583(1) 1441 26-43035 1
15 Seal 18-0522(1) 1442 26-43036 1
16 Gasket 18-2565(1)(2) 1485 27-430472 1
17 Carrier � � 43040A1 1
18 Trim Tab 18-6011 4000 31640A1 1
19 Sleeve � � 43046 1
20 Wear Sleeve Assembly � � 42461A1 1
21 Screw � � 10-825427 1
22 Drive Shaft � � 45-43031A1 1
23 Shift Shaft Coupler � � 43585 1
24 Screw � � 10-824832-6 2
25 Seal 18-2054(1) 196 26-8164641 1
26 Bushing Assembly � � 23-43052A4 1
27 O-Ring 18-7198(1) 220 25-45710 1
28 Shift Shaft Coupler � � 43048A1 1
29 E-Ring � � 53-29641 1
30 Shim Assembly � � 15-44492A1 AR
31 & 32 Bearing & Race � � 31-42677A1 1
33 Gear Housing � � 1667-9011A73 1
34 Gasket 18-2945(1) 2108 12-19183 1
35 Plug � � 10-28653 1
36 Plug 18-2244 2686 10-79953 1
37 Plug 18-2375 2683 22-67892A1 1
38 Pinion Nut 18-3719 2678 11-35921 1
39 Pinion Gear � � 43-44484 1
40 Shim Cam � � 76039 1
41 Shim Assembly � � 15-44491A1 AR
42 & 43 Bearing & Race 18-1156 1906 31-30894A1 1
44 Roller Bearing 18-1157 2125 31-30895 1
45 Forward Gear � � 43-12634A2 1
46 & 47 Cam Follower Assembly � � 12239A1 1
48 Ball Bearing � � 30-44530 3
49 Spring � � 24-30622 1
50 Clutch 18-2236 2631 52-822539 1
51 Cross Pin 18-2357 2682 17-30632 1
52 Spring � � 24-30893 1
53 Prop Shaft � � 44-12238T 1
54 Reverse Gear � � 43-12635 1
55 O-Ring 18-7961(1) 1438 25-97386 1
56 Thrust Bearing � � 31-12576 1
57 Thrust Washer � � 12-12577 1
58 Roller Bearing � � 31-12578 1
59 Bearing Carrier � � 12596A2 1
60 Washer � � 12-70132 2
61 Nut � � 11-401198 2
62 Roller Bearing 18-1158 2126 31-30956 1
63 Seal 18-2002(1) 238 26-76868 1
64 Seal 18-2053(1) 145 26-70081 1
65 Thrush Hub 18-4221 1193 13191A1 1
66 Prop � � Various AR
67 Tab Washer 18-3200 2708 14-31210 1
68 Prop Nut 18-3700 122 11-52707 1

(1) Indicates contents of seal kit 18-2626/AP# 075

(2) Indicates contents of water pump kit 18-3214/AP# 1811

AR = As Required

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Mercury V-6 Gearcase Breakdown

V-150 Serial# A904645 & Earlier V-175 Serial# 6618750 & Earlier V-200 Serial# 6625220 & Earlier

 

DescriptionSierra #AP #OEM #Qty

Figure #

1 Gear Housing � � 1647-9148S65 1
2 Speedometer Tube � � 22-85822A10 1
3 Water Insert (Star) � � 66885 1
3A. Water Insert (Port) � � 66884 1
4 Screw � � 10-76156 1
5 Nut � � 11-45812 1
6 Dowel Pin � � 17-43044 2
7 Stud � � 16-78638 1
8 Stud � � 16-579201 2
9 Stud � � 16-56297 1
10 Stud � � 16-30667 2
11 Roller Bearing � � 31-35934A1 1
12 Sleeve � � 23-98621 1
13 Drive Shaft Assembly 18-2181 2422 45-98682A1 1
14 Spring � (1) 24-34576 1
15 Pin � (1) 17-30545 1
16 Pinion Gear � � 43-780811 1
17 Pinion Nut 18-3719 2678 11-35921 1
18 Shim Assembly � � 15-57007A1 AR
19 Roller Bearing 18-1164 1904 31-53079A1 1
20 Gasket 18-2826(2)(3) 92 27-856101 1
21 O-Ring 18-7162(2)(3) 207 25-33145 1
22 Water Pump Base 18-3410(4) 51 46-96146A6 1
23 Seal 18-2014(2)(4) 171 26-89238 1
24 Seal 18-2013(2)(4) 174 26-16977 1
25 Gasket 18-2914(2)(3) 671 27-856081 1
26 Face Plate 18-3117(3) 30 32435 1
27 Gasket 18-2915(2)(3) 672 27-856091 1
28 Water Pump Body 18-3116(3) 43 43-96148A1 1
29 Insert 18-3114(3) 42 48752 1
30 Seal 18-3110(2)(3) 187 26-38970 1
31 Impeller 18-3017(3) 1 47-899842 1
32 Key � � 28-56654 1
33 Screw � � 10-96411 1
34 Washer � � 12-29245 3
35 Nut 18-3722 5165 11-20361 2
36 Washer � � 12-36001 1
37 Nut 18-3722 120 11-45592 1
38 Slinger 18-7426(2)(3) 226 25-30271 1
39 Guide Sleeve 18-3109(3) 601 23-29804 1
40 Shift Shaft � � 789022 1
41 E-Clip � � 53-29641 1
42 Retaining Ring � � 53-78907 1
43 O-Ring 18-7153 203 25-25439 1
44 Shift Shaft Bushing 18-2155(2) 516 23-77631A2 1
45 Seal 18-2054(2) 196 26-816461 1
46 Rubber Washer 18-2316(2) 131 12-77674 1
47 Vent Screw 18-2398(2) 2686 10-79953 1
48 Drain Screw 18-2375 2683 22-67892A1 1
49 Washer 18-2945(2)(3) 2108 12-19183 2
50 Shift Cam � � 78956 1
51 Cam Follower � � 89594A1 1
52 Actuator Rod � � 799111 1
53 Spring � � 24-749910 2
54 Washer � � 12-78910 1
55 Locating Pin � � 17-78906 1
56 Shim Assembly � � 15-47397A1 AR
57 Bearing 18-1166 2131 31-78172A1 1
58 Forward Gear � � 43-78082A3 1
59 Roller Bearing � � 31-73363 2
60 Clutch � � 52-823174 1
61 Cross Pin � � 17-78905 1
62 Detent Pin � � 17-78909 2
63 Retaining Spring � � 24-78962 2
64 Prop Shaft 18-2339 2423 44-94148 1
65 Reverse Gear � � 43-85462 1
66 Thrust Ring � � 681001 1
67 Ball Bearing 18-1155 1900 30-88857 1
68 O-Ring 18-7159(2) 217 25-31534 1
69 Bearing Carrier � � 43567A1 1
70 Roller Bearing 18-1158 2126 31-30956 1
71 Seal (Inner) 18-2002(2) 238 26-76868 1
72 Seal (Outer) 18-2053(2) 145 26-70081 1
73 Key � � 28-30281 1
74 Tab Washer 18-2299 2179 14-79447 1
75 Cover Nut 18-3751 1117 79448 1
76 Trim Tab 18-6011 4000 31640A1 1
77 Screw � � 10-66024 1
78 Washer � � 12-45176 2
79 Nut 18-3721 5164 11-34933 2
80 Screw � � 10-65210 1
81 Thrust Hub 18-4220 1192 13171 1
82 Spline Washer 18-3714 2668 12-31211A2 1
83 Tab Washer 18-3200 2708 14-31210 1
84 Prop Nut 18-3700 � 11-52707 1
Not Pictured   Prop Nut Kit 18-3701 122 11-52707A 1

(1) Included with drive shaft 18-2181/AP# 2422

(2) Indicates contents of seal kit 18-2653/AP# 146

(3) Indicates contents of water pump kit 18-3217/AP# 090

(4) Indicates contents of water pump base 18-3421/AP# 049

AR = As Required

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