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18-2652 Alpha Lower Gear Housing Seal Kit
$39.95
18-2652
Replaces Mercruiser part#26-33144A2. For #1/MR/Alpha units sn#1684188 & up.
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18-3017 Impeller (only)
$18.80 $16.95 On Sale!
18-3017
Rplaces #47-89984, 47-89984T, for all #1 Units thru s/n D494568.
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18-3217 Impeller Repair Kit (impeller with gaskets)
$45.00 $22.95 On Sale!
18-3217
Fits all #1/1-R/MR/Alpha One drives. Includes Impeller, gaskets, wear plate, water tube and o'rings
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18-3517 Water Pump Repair Kit (with top housing)
$55.50 $29.95 On Sale!
18-3517
Replaces Mercruiser part#46-96148A5, 46-60367A1. Fits all #1/1-R/MR/Alpha One units. (Will not fit Alpha-1, GEN-II). Comes with upper housing, impeller, wear plate, gaskets, water guide tube and o'rings.
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18-3420 Water Pump Base
$26.70 $22.95 On Sale!
18-3420
Replacement for Mercruiser #46-44292A3. (No per-load pin on drive shaft and retainer under lower water pump base which holds down tappered roller bearing.)
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18-3320 Water Pump repair Kit w/Lower Base
$40.00 $34.95 On Sale!
18-3320
Complete Pump Housing kit for MR/Alpha One units sn#6854393-0D594568. Complete with upper and lower housings. For Alpha-1 without pre-load pin on top of driveshaft).
(will not fit Alpha-1, GEN-II).
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18-2154 Shift Shaft Bushing (Lower Gearcase)
$14.85
18-2154
Located in the front of drive unit. Seals Vertical stainless steel lower shift shaft. The bushing housing is supplied with o-ring and oil seal to prevent water from entering the lower half of the drive unit.
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18-3198 Water Pick-Up Insert
$4.29
18-3198
Port, Replaces #93424-1, MR Alpha
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18-3199 Water Pick-Up Insert
$4.39
18-3199
Starboard, Replaces #93423-1, MR Alpha
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1076156A Screw & Nut Assembly (intake screens)
$3.95
1076156A
Intake Screw & Nut Assembly
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18-2180 Lower Drive Shaft ( NO pre-load pin)
$329.95
18-2180
Replaces Mercruiser part#45-42634. For all MR/Alpha units which have been retro-fitted with MR/Alpha lower units.
Drive shaft has no pre-load pin.
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18-2202 Sliding Clutch Dog
$109.95
18-2202
Replaces Mercruiser part #52-66063.
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18-2206 Alpha Lower Gear Set - Pre-GEN II
$329.95
18-2206
Replaces 43-17064A3 + 43-42934, 43-170964A2 Gear Set. Fits Units with no preload pin in the top of driveshaft.
NOTE: When installing new style 18-2206 "Tractor Gears" in Alpha One Gear Housing (F680153 & Below) with a 3.4985-3.5000 Forward bearing bore use Forward bearing 18-1173. Alpha One Gear Housing (F680154 & Up) with a 3.2635/3.2650 forward bearing bore, use forward bearing 18-1156.
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18-2166 Propeller Shaft (lower unit)
$329.95
18-2166
Replaces Mercruiser part #44-66060 & 44-66060-3. For all #1/MR/Alpha units sn#2791957 and above. Also for 165 6 cyl.
sn#2763442 and above.
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18-2191 Bearing Carrier Assembly (Lower Gearcase)
$79.95
18-2191
Replaces: Mercruiser Inboard/Outboard #73020A-14. For #1R/MR/ALPHA I, for housings with casting #73020C
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18-2298 Tab Washer
$12.15
18-2298
For Mercury/Mariner V-6 Outboards and Mercruiser Outdrives,
tab washer to lock spanner nut (18-3751) in lower gearcase.
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18-3751 Retainer Nut (for lower unit "Bearing Carrier")
$16.65
18-3751
Mercruiser #79448 for V-6 outboards and all Sterndrives.
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18-4220 Thrust Washer ("Behind" Propeller)
$20.29
18-4220
Replaces: 13171, 77987 V-6, Outboards & Mercruiser Sterndrives. Behind propeller.
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18-3714 Brass Castle Washer (for Propeller Nut)
$6.69
18-3714
Replacement for Mercruiser #12-31211A2. Supports prop nut and locking tabs for prop nut.
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18-3701 Propeller Nut Kit (nut and Lock tab)
$8.95
18-3701
Replaces Mercruiser #11-52707A1, propeller retaining
nut and locking tabs.
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