Mercruiser # 1 & R Lower gear case with Pre-load Pin, Ser# 3106717 to 6225576, 1971 - 1982 ("Click" here for individual parts,ie; seals, gear sets, water pump parts, etc.)

   
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18-2652a.jpg 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.jpg 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.jpg 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.jpg 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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18-3417.jpg 18-3417 Water Pump Lower Base (only)
$19.95 $19.95 On Sale!
18-3417
Replacement for Mercruiser Inboard/Outboard #46-57234A1. supplied with driveshaft seals.

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18-3320.jpg 18-3317 Water Pump Repair Kit (complete w/base)
$49.00 $39.95 On Sale!
18-3317
Complete Pump housing kit for #1 units without plastic flush screw in gear housing. Complete with upper and lower housings. Covers sn#2763442-6854392.

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1076156a.jpg 1076156A Screw & Nut Assembly (intake screens)
$3.95
1076156A
Intake Screw & Nut Assembly

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18-2154.jpg 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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18-2167 Vertical Drive Shaft (lower) w/pre-load pin $299.95 18-2167
Replaces Mercruiser part #45-41939A1. For all #1 units sn#2791957 & above except MR/Alpha units or units which have been retro-fitted with MR/Alpha lower units. Also for 165 6 cyl sn#2763442 & above.

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18-2202.jpg 18-2202 Sliding Clutch Dog
$109.95
18-2202
Replaces Mercruiser part #52-66063.

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18-2200 Lower Gear Set - Early Style $359.95 18-2200
Fits #1 Units S/N 3469428 & Up Except MR/Alpha Units which have no preload pin in the top of the drive shaft. Replaces Mercruiser part#43-96084A4.

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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.jpg 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.jpg 18-2299 Tab Washer (for bearing carrier retainer nut)
$6.49
18-2299
For Mercury/Mariner Outboard and Mercruiser Inboard/Outboard Drive Systems. Tab washer to lock bearing carrier nut in place.

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18-3751.jpg 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 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.jpg 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.jpg 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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