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I/I-R/MR/ALPHA ONE Drive Shaft Housing Components (Upper) for Mercruiser

SKU: SIE-18-3231.1
Availability: In Stock - Ships Today
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Availability: In stock

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SKUPart #Retail PriceOur PriceSavings 
sie-18-32312$3.75$2.37You Save 37%
sie-18-23813$125.96$79.48You Save 37%
sie-18-71614$2.72$1.66You Save 39%
sie-18-22835$9.27$6.66You Save 28%
sie-18-11656$32.97$25.26You Save 23%
sie-18-21797$124.83$78.77You Save 37%
sie-18-74458$2.00$0.80You Save 60%
sie-18-22019/10-1$505.00$340.38You Save 33%
sie-18-22039/10-2$454.01$335.96You Save 26%
sie-18-22049/10-3$393.38$269.46You Save 32%
sie-18-22059/10-4$353.20$253.60You Save 28%
sie-18-116111$39.41$28.46You Save 28%
sie-18-229312$11.39$9.18You Save 19%
sie-18-204913$15.86$11.39You Save 28%
sie-18-205614$11.26$7.35You Save 35%
sie-18-224415$2.84$1.79You Save 37%
sie-18-323217$0.93$0.68You Save 27%
sie-18-323619$24.55$17.63You Save 28%
sie-18-427221-1$7.32$5.17You Save 29%
sie-18-427321-2$2.28$1.78You Save 22%
sie-18-426522$6.65$4.70You Save 29%
sie-18-371323$4.13$3.15You Save 24%
sie-18-371224$1.79$1.40You Save 22%
sie-18-229225$15.32$10.69You Save 30%
sie-18-116026$158.65$108.89You Save 31%
sie-18-200329$19.68$10.71You Save 46%
sie-18-057730$55.48$36.81You Save 34%
sie-18-716931$2.81$2.20You Save 22%
sie-18-429632$13.19$8.62You Save 35%
sie-18-375233$28.01$20.11You Save 28%
sie-18-212534$73.33$50.23You Save 32%
SIE-18-210435$64.10$37.82You Save 41%
sie-18-212836$70.98$50.97You Save 28%
SIE-18-214637$126.04$91.88You Save 27%
sie-18-715339$1.49$0.85You Save 43%
sie-18-322940$1.18$0.70You Save 41%
sie-18-089441$2.44$1.49You Save 39%
sie-18-321942$36.41$24.94You Save 32%
sie-18-311043$3.09$2.06You Save 33%
sie-18-322044$11.16$7.04You Save 37%
sie-18-921838$614.72$347.94You Save 43%

I/I-R/MR/ALPHA ONE Drive Shaft Housing Components (Upper) for Mercruiser

  • Stock Image.
  • Some part are sold individually as well as in kits.
  • Click on repair kits (blue highlight) to visually see what is included in that kit. 
  • 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
Kit Description  Part # 
A Upper Unit Seal Kit 18-2648
 Note: Kit Contents Listed In Selection Below
* Click on Kit Part Number To See item
 
Figure Description Part # Qty.  Kit
1 Upper Gear Housing - 1 -
2 Screw, Top Cover 18-3231 4 -
3 Top Cover 18-2381 1 -
4 O-Ring, Top Cover 18-7161 1 A
5 Shim, Bearing Cup to Top Cover 18-2283 1 -
6 Tapered Roller Bearing 18-1165 1 -
7 Upper Drive Shaft 18-2179 1 -
8 O-Ring, Upper Drive Shaft 18-7445 1 A
9/10-1 Upper Unit Gear Set (1.5:1) 18-2201 1 -
9/10-2 Upper Unit Gear Set (1.65:1) 18-2203 1 -
9/10-3 Upper Unit Gear Set (1.84:1) 18-2204 1 -
9/10-4 Upper Unit Gear Set (1.98:1) 18-2205 1 -
11 Tampered Roller Bearing 18-1161 1 -
12 Shim Kit, Bearing Cup to Drive Shaft Housing 18-2293 1 -
13 Oil Seal, Upper Drive Shaft Housing 18-2049 1 A
14 Oil Seal, Lower Drive Shaft Housing 18-2056 1 A
15 Vent Screw 18-2244 1 -
16 Gasket, Gear Housing Drain Screw 18-2945 1 A
17 Plug, Trim Tab Hole 18-3232 1 -
18 Stud, Drive Shaft Housing - 2 -
19 Bushing, Drive Shaft Housing 18-3236 1 -
20 Nut, Gear Housing Stud - 3 -
21-1 Welch Plug, Drive Shaft Housng (7/8'' OD) 18-4272 1 -
21-2 Welch Plug, Dr. Shaft Housng (1 1/4" OD) 18-4273 1 -
22 Pipe Plug, Water Pocket 18-4265 1 -
23 Nut, Drive Gear To U-Joint 18-3713 1 -
24 Washer, Drive Gear To U-joint Nut 18-3712 1 -
25 Shim Kit Drive Gear 18-2292 1 -
26 Bearing Kit, Spacer, Roller Bearing 18-1160 1 -
29 Oil Seal 18-2003 1 A
30 Carrier Assembly Oil Seal 18-0577 1 -
31 O-Ring 18-7169 1 A
32 Ring, Roller Bearing Retainer 18-4296 1 -
33 Reataining Nut Drive Shaft Housing 18-3752 1 -
34 Yoke Assembly  18-2125 1 -
35 Heavy Duty U-Joint 18-2104 1 -
36 Center Socket 18-2128 1 -
37 U-Joint Shaft Couler 18-2146 1 -
38 Drive Shaft 18-9218 1 -
39 O-Ring 18-7153 2 A
40 Screw, Water Pocket Cover To Drive Shaft Housing 18-3229 4 -
41 Gasket, Water Pocket Cover  18-0894 1 A
42 Water Pocket Cover (Sold as Assembly Includes 40-44) 18-3219 1 -
43 Bushing, Water Pump Housing 18-3110 1 A
44 Water Tube 18-3220 1 -

Product Specifications

Manufacturer Sierra Marine
Manufacture Part Number 18-3231

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