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MR/ALPHA Lower Gear Housing Components for Mercruiser

SKU: SIE-18-2401.1
Availability: In Stock - Ships Today
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Availability: In stock

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Description

SKUPart #Retail PriceOur PriceSavings 
sie-18-24011$1620.66$1270.61You Save 22%
sie-18-31092$4.89$3.83You Save 22%
sie-18-31103$3.09$2.06You Save 33%
sie-18-71584$1.44$0.78You Save 46%
sie-18-74265$1.47$0.80You Save 46%
sie-18-42707$0.78$0.61You Save 22%
SIE-18-31169$43.61$28.52You Save 35%
sie-18-311410$7.41$5.80You Save 22%
sie-18-301711$19.07$13.39You Save 30%
sie-18-291512$2.63$1.61You Save 39%
sie-18-311713$5.67$4.25You Save 25%
sie-18-291414$2.63$1.61You Save 39%
sie-18-342015$31.81$22.84You Save 28%
sie-18-201316$12.63$7.97You Save 37%
sie-18-201417$13.89$9.97You Save 28%
sie-18-717618$2.30$1.25You Save 46%
sie-18-291919$2.67$1.69You Save 37%
sie-18-234620$5.33$4.00You Save 25%
sie-18-114321$43.08$36.91You Save 14%
sie-18-229422$9.33$6.60You Save 29%
sie-18-218023$582.20$392.42You Save 33%
sie-18-215031$41.40$29.72You Save 28%
sie-18-426725$1.23$0.96You Save 22%
sie-18-234026$0.86$0.47You Save 45%
sie-18-215427$20.19$14.50You Save 28%
sie-18-715328$1.49$0.85You Save 43%
sie-18-294432$2.72$1.66You Save 39%
sie-18-322633$14.02$9.79You Save 30%
sie-18-236134$4.15$2.76You Save 33%
sie-18-224437$2.84$1.79You Save 37%
sie-18-319938$5.64$4.23You Save 25%
sie-18-319839$6.39$3.90You Save 39%
sie-18-319740$1.80$1.37You Save 24%
SIE-18-234441 $1.54 
sie-18-601142$12.88$8.41You Save 35%
sie-18-624543$3.58$2.81You Save 22%
sie-18-111744$45.59$32.07You Save 30%
sie-18-2206-145$736.90$496.69You Save 33%
sie-18-234346$1.73$0.94You Save 46%
sie-18-371947$4.94$3.01You Save 39%
sie-18-213048$75.82$52.85You Save 30%
sie-18-228649$94.25$68.71You Save 27%
sie-18-228550$15.95$9.73You Save 39%
sie-18-115951$67.05$47.63You Save 29%
sie-18-115754$16.61$11.77You Save 29%
sie-18-234856$2.31$1.62You Save 30%
sie-18-220257$245.19$181.44You Save 26%
sie-18-235758$2.59$1.81You Save 30%
sie-18-216659$539.52$363.65You Save 33%
sie-18-234262$11.89$9.59You Save 19%
sie-18-115563$43.42$31.54You Save 27%
sie-18-715964$3.81$2.86You Save 25%
sie-18-115865$14.24$9.89You Save 31%
sie-18-219166$129.55$81.74You Save 37%
sie-18-200267$10.12$7.27You Save 28%
sie-18-229868$19.02$13.66You Save 28%
sie-18-375169$22.93$16.46You Save 28%
sie-18-422070$27.36$19.64You Save 28%
sie-18-371472$7.58$6.11You Save 19%
sie-18-320073$2.53$1.60You Save 37%
sie-18-370074$11.57$7.56You Save 35%
sie-18-372135$2.86$1.90You Save 34%

MR/ALPHA Lower Gear Housing Components for Mercruiser

  • Stock Image.
  • Some parts are sold individually as well as being sold in kits.
  • Click on the repair kits (blue highlight) to see visually what the kit includes. 
  • All original equipment, by manufacturers are available for aftermarket replacement part by identification only. Sierra marine products are designed to meet or exceed the OEM part they are intended to replace. They are backed up by the best warranty in the marine business.
Mercruiser Repair Kits
Figure Description Part #
A  Complete Water Pump Kit W/Housing 18-3320
B  Upper Housing Water Pump Kit 18-3517
C  Water Pump Kit W/O Housing 18-3217
D  Prop Nut Kit 18-3701
E Lower Unit Seal Kit 18-2652
 Note: Kit Contents Listed In Selection Below
* Click on Kit Part Number To See item
 
Figure Description Part # Qty Kit
1  Gear Housing 18-2401 1  -
2  Water Tube Guide 18-3109 1 A,B,C
3 Bushing/Water Pump Housing 18-3110 1 A,B,C,E
4  O-Ring, Upper Drive Shaft 18-7158 1 A,B,C,E
5  Slinger 18-7426 1  A,B,C,E
6-1  Stainless Steel Locknuts (5/16-24) 11-13436 1  -
6-2  Stainless Steel Locknuts (1/4-28) 11-826711-9 2  -
7  Washer 18-4270 3  -
8  Screw, Wtr Pump Body to Wtr Pump Base 10-96411 1  -
9  Upper Pump Housing 18-3116 1  A,B
10  Insert Cup 18-3114 1  -
11  Impeller 18-3017 1 A,B,C
12  Gasket, Upper Water Pump to Wear Plate 18-2915 1 A,B,C,E
13  Impeller Plate 18-3117 1 A,B,C
14  Gasket,  Wear Plate to Water Pump Base 18-2914 1 A,B,C,E
15  Water Pump Base 18-3420 1 A
16  Oil Seal (Upper) 18-2013 1  E
17  Oil Seal (Lower) 18-2014 1  E
18  O-Ring, Water Pump 18-7176 1 A,B,C,E
19  Gasket, Water Pump Base to Gear Housing 18-2919 1 A,B,C,E
20  Retainer, Drive Shaft Bearing 18-2346 1  -
21  Tapered Roller Bearing Drive Shaft 18-1143 1  -
22  Shim Kit, Lower Drive Shaft Bearing 18-2294 1  -
23  Drive Shaft 18-2180 2  -
24  Drive Key Water Pump Impeller 28-8M0032834 1  -
25  Shift Shaft Washer 18-4267 2  -
26  Washer Rubber Shift Shaft Bushing 18-2340 1  -
27  Shift Bushing 18-2154 1
28  O-Ring, Shift Shaft Bushing 18-7153 1  -
29  Washer, Lower Shift Shaft 12-27880 1  -
30  Retaining Clip, Shift Shaft 53-29641 1  -
31  Stainless Steel Shift Shaft 18-2150 1  -
32  Oil Passage Seal 18-2944 1 A,B,C,E
33  Dowel Pin, Gear Hsng to Drive Shaft Hsng 18-3226 1  -
34  Screw, Gear Housing to Drive Shaft Housing 18-2361 1  -
35  Nut, Gear Housing to Drive Shaft Housing 18-3721 1  -
36  Gasket, Gear Housing Drain Screw 18-2945 1  A,B,C,E
37  Plug, Oil Fill/Drain 18-2244 1  -
38  Insert, Water Pick (Stbd) 18-3199 1  -
39  Insert, Water Pick (Port) 18-3198 1  -
40  Screw, Insert to Gear Housing 18-3197 1  -
41  Nut, Insert Screw 18-2344 1
42  Trim Tab 18-6011 1
43  Screw, Trim Tab Gear Housing 18-6245 1
44  Pinion Bearing 18-1117 1
45  Lower Alpha Gear Set (Pinion Gear, Forward  Gear/Pinion, Reverse Gear) 18-2206-1 1
46  Anti-Galling Washer Pinion Gear 18-2343 1  -
47  Pinion Nut 18-3719 1  -
48  Shift Crank 18-2130 1  -
49  Shift Spool Assembly 18-2286 1  -
50  Shim Kit. Forward Gear 18-2285 1  -
51  Tapered Roller Bearing Set 18-1159 1  -
54  Inner Bearing, Forward Gear 18-1157 1  -
56  Spring, Retainer- Cross Pin 18-2348 1  -
57  Sliding Clutch 18-2202 1  -
58  Cross Pin, Clutch to Actually Shaft 18-2357 1  -
59  Propeller Shaft 18-2166 1  -
60  Spacer, Reverse Gear 23-824108 1  -
62  Thrust Ring, Bearing Carrier 18-2342 1  -
63  Ball Bearing  18-1155 1  -
64  O-Ring, Bearing Carrier 18-7159 1  E
65  Needle Roller Bearing 18-1158 1  -
66  Bearing Carrier 18-2191 1  -
67  Oil Seals, Bearing Carrier 18-2002 1  E
68  Tab Washer 18-2298 1  -
69  Spanner Nut 18-3751 1  -
70  Thrust Washer 18-4220 1  -
71  Continuity Washer 13-423511 1  -
72  Brass Castle Washer 18-3714 1  -
73  Tab Washer 18-3200 1
74  Prop Nut 18-3700 1

 

Product Specifications

Manufacturer Sierra Marine
Manufacture Part Number SIE-18-2401

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