HERITAGE MARINE     

410 Mc Donough St. Joliet, IL. 60436 888.726.4406


     

HERITAGE MARINE is one of the oldest and most reputable marine service centers in the Joliet, Illinois area. We have been preforming all types of marine repairs for over 20 years. Heritage Marine is located at 410 Mc Donough Street in Joliet, Illinois 60436.  We have been preforming many different types of repairs on Johnson Outboards, Evinrude Outboards, Mercruiser Stern Drive Engines and out drives.  We also repair OMC Cobra stern drives and do some Volvo repair work.  Heritage maintains a large parts inventory for OMC, Johnson, Evinrude, Mercury, and Mercruiser Engines.  Heritage also is a Mercury REMAN Dealer.  We service Johnson and Evinrude Outboard engines from 1954 through the latest engines.  We are a Mercruiser Service Dealer and stock parts for Mercruiser Engines.  We also maintain a large inventory of Marine Accessories in our store and invite you to come and visit our store.  While you are visiting our store, pick up one of our Free Accessory Catalogs.  Good Old Time Service is still available at Heritage Marine.  Just call 815-726-4400 for your next Marine requirement and join our ever expanding list of satisfied customers. 

Heritage also offers Stern drive and lower unit rebuilding.  Just drop off or send us your unit for a free estimate.  We will give you an estimate to rebuild your present unit, and also give you a cost for a REMAN Unit so you can make the best decision.  

Our Goal is to GET YOU BACK ON THE WATER....

 
We are expanding our business to the internet to provide on line Johnson Out Board, Evinrude Out board and Mercruiser parts and accessories to our many customers and friends as well as new friends who are looking for great buys for their marine accessories and repair parts.Through our internet site you can order accessories and parts 24/7.

Our Mission is to exceed your expectations through excellence in our service and our products.

    CALL 888-726-4406 FOR HELP:

MERCRUISER R/MR UPPER
  

Sierra

mercruiser mr, alpha
                            gear housing components exploded view
USE SELOC REPAIR MANUALS

Mercruiser Gear Housing Components Exploded View Diagram and Parts
Fits MR / Alpha
Figure # Description O.E.M. # Sierra #
1 Gear Housing 18-2401
2 Water Tube Guide 23-29804 18-3109
3 Bushing/Water Pump Housing 26-38970 * 18-3110
4 O-Ring, Upper Drive Shaft 25-30613 * 18-7158
5 Slinger 25-30271 18-7426
6 Stainless Steel Locknuts (3) 11-45592 18-3723
7 Washer (3) 12-36001 18-4270
8 Screw, Water Pump Body to Water Pump Base N/A
9 Upper Pump Housing 46-96148A1 18-3116
10 Insert Cup 48752 18-3114
11 Impeller 47-89984 18-3017
12 Gasket, Upper Water Pump to Wear Plate 27-85609-1 * 18-2915
13 Impeller Plate 32435 18-3117
14 Water Pump Base 46-44292A3 18-3420
15 Oil Seals, Water Pump 26-89238 * 18-2014
26-16977 * 18-2013
16 O-Ring, Water Pump 25-90011 * 18-7176
17 Gasket, Water Pump Base to Gear Housing 27-42631-1 * 18-2919
18 Retainer, Drive Shaft Bearing 824519 18-2346
19 Tapered Roller Bearing, Drive Shaft 31-36387A1 18-1143
20 Shim (s), Lower Drive Shaft Bearing 15-42637A1 18-2294
21 Drive Key, Water Pump Impeller N/A
22 Drive Shaft 45-42634 18-2180
23 Insert (2), Water Pickup 93423-1 18-3199
24 Screw, Insert to Gear Housing 10-76156 18-3197
25 Nut, Insert Screw 11-45812 18-2344
26 Screw, Trim Tab to Gear Housing NSS
27 Dowel Pin, Gear Housing to Drive Shaft Housing 10-30720 18-3226
28 Trim Tab 31640A1 18-6011
29 Screw, Gear Housing to Drive Shaft Housing 10-30206 18-2361
30 Nut (2), Gear Housing to Drive Shaft Housing 11-13439-1 18-2362
31 Oil Passage Seal 26-45577 * 18-2944
32 Gasket, Gear Housing Drain Screw 12-19183, 12-20260 * 18-2945
33 Plug, Oil Fill/Drain 10-79953A2 18-2244
34 Pinion Bearing 31-42647A1 18-1117
35 Lower Alpha Gear Set (Pinion Gear) 43-17064A2, 43-17064A3, 43-42934 18-2206
36 Anti-Galling Washer Pinion Gear 22-92721 18-2343
37 Pinion Nut 11-35921 18-3719
38 Shift Shaft Washer 12-29395 18-4267
39 Washer, Rubber Shift Shaft Bushing 12-31266 18-2340
40 Shift Bushing 23-30617A2 * 18-2154
41 O-Ring, Shift Shaft Bushing 25-25439 * 18-7153
42 Washer, Lower Shift Shaft NSS
43 Retaining Clip, Shift Shaft NSS
44 Stainless Steel Shift Shaft 77481-1 18-2150
45 Pin, Shift Crank - Gear Housing N/A
46 Shift Crank 76865 18-2130
47 Shift Spool Assembly 818349A1 ** 18-2286
48 Cotter Pin & Sleeve NSS 1
49 Retainer NSS 1
50 Washers NSS 1
51 Spring NSS 1
52 Shift Spool NSS 1
53 Clutch Shaft NSS 1
54 Shim (s) Forward Gear 15-47397A1 18-2285
55 Tapered Roller Bearing Set 31-35928A1 18-1159
56 Inner Bearing, Forward Gear 31-30895 18-1157
56A Retaining Clip, Inner Bearing
57 Lower Alpha Gear Set (Forward Gear/Pinion) 43-17064A2, 43-17064A3, 43-42934 18-2206
58 Spring, Retainer - Cross Pin 18-2348
59 Sliding Clutch 52-66063 18-2202
60 Cross Pin, Clutch to Actuating Shaft 24-30893 18-2348
61 Propeller Shaft 44-66060, 44-66060-3 18-2166
62 Lower Alpha Gear Set (Reverse Gear-NSS) 43-17064A2, 43-17064A3, 43-42934 18-2206
62A Spacer, Reverse Gear 23-824108                         N/S 18-2281
63 Thrust Ring, Bearing Carrier 68100-1 18-2342
64 Ball Bearing 30-88957A1 18-1155
65 O-Ring, Bearing Carrier 25-31534 * 18-7159
66 Needle Roller Bearing 31-30956 18-1158
67 Bearing Carrier 73020A-14 18-2191
68 Key, Locating - Bearing Carrier NSS
69 Oil Seals, Bearing Carrier 26-76868 * 18-2002
70 Tab Washer 14-18323 18-2298
71 Spanner Nut 79448 18-3751
72 Thrust Washer 13171, 77987 18-4220
73 Continuity Washer N/A
74 Brass Castle Washer 12-31211A2 18-3714
75 Tab Washer 14-31210, 14-816629 18-3200
76 Prop Nut 11-52707 18-3700
77 Gasket, Wear Plate to Water Pump Base 27-85608-1 * 18-2914
1 Pieces not sold separately, must be purchased as
** 18-2286 Kit consists of figure numbers 38a- 43
* Included in Seal Kit 18-2652 (Not Pictured)
N/A Not Available


R/MR
ALPHA

COMPLETE GEAR HOUSINGS



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