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Mercruiser Alpha One Gen1 Parts

8991
guidebook

Parts Selection Guide

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Prop Selection Guide

Find the right prop for your boat

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      • Quicksilver SAE 90 High Performance Gear Lube
        List Price:
        Starting At: $9.99

        Quicksilver High Performance Gear Lube SAE 90 Quicksilver High Performance Gear Lube is a synthetic blend gear oil that’s specifically designed and tested for marine applications. SAE 90 Gear Lube is manufactured to provide maximum protection for...

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      • 12-191833
        List Price: $1.19
        Starting At: $0.99

        Mercury - Mercruiser 12-191833 Drain Screw Gasket - Blue Used with the 3/8 - 16 drain/fill screw found on all Mercruiser and most Mercury/Mariner outboards except those of Japanese origin.

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      • Sierra 18-2619-1 Outdrive Gasket Set Replaces 27-94966Q2
        List Price: $8.99
        Starting At: $6.99

        Sierra 18-2619-1 Mercruiser Outdrive Gasket Set Sierra high quality engine parts are designed to meet or exceed OEM requirements. For Mercruiser R, MR, Alpha and Alpha One Gen II Outdrives (1983 and Newer) (s/n 6225577 & up). Kit...

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      • Sierra 18-2244 Drain Screw
        List Price: $3.99
        Starting At: $2.99

        Sierra 18-2244 Drain Screw for Mercury and Mercruiser This Sierra 18-2244 Drain Screw is for use with the following: Mercruiser I, R, MR, Alpha One, TR, TRS & all O/Bs with 3/8-16 non-magnetic gear lube fill or vent screws. Includes: 18-2945...

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      • Quicksilver High Performance Gear Lube & Pump Kit
        List Price: $29.49
        Starting At: $25.49

        Quicksilver 91-802891Q05 High Performance Gear Lube & Pump Kit Kit includes a quart of Mercury Quicksilver High Performance Gear Lube and gear lube pump, conveniently packaged together. The gear lube pump allows you to replace your gear case oil...

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      • Sierra 18-7633 Trim Sender/Limit Kit Replaces 805320A03
        List Price: $136.99
        Starting At: $95.99

        Sierra 18-7633 Trim Sender/Limit Kit Sierra replacement trim sender/limit kit for Mercruiser drives. Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Fits: MC-I, R, MR, Alpha, Alpha Gen II, Bravo...

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      • Sierra 18-3320 Water Pump Kit
        List Price: $67.99
        Starting At: $47.49

        Sierra 18-3320 Water Pump Kit Sierra replacement water pump kit for Mercruiser engines. Sierra high quality aftermarket parts are manufactured to meet or exceed OEM requirements. For MR/Alpha l Units S/N 6854393-0D469858 Includes: Water Pump...

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      • Sierra 18-3217 Impeller Kit Replaces 46-96148A8
        List Price: $34.99
        Starting At: $24.99

        Sierra 18-3217 Water Pump Repair Kit for Mercruiser, Mercury For #1 Units thru S/N D494568 (Similar to #46-96148A5 without base or housing) Used on Mercruiser Stern Drives and Mercury Outboards. This kit contains all the components needed to properly...

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      • Sierra 18-3517 Water Pump Kit Replaces 46-60367A1
        List Price: $53.99
        Starting At: $37.99

        Sierra 18-3517 Water Pump Kit (Without Base) Sierra replacement water pump kit for Mercury and Mercruiser engines. Sierra high quality aftermarket parts are manufactured to meet or exceed OEM requirements. Fits: Mercury/Mariner 65 HP (4 cylinder)...

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      • Sierra 18-2753-2 Shift Cable Bellows Replaces 74639A2
        List Price: $17.49
        Starting At: $11.99

        Sierra 18-2753-2 Shift Cable Bellows Sierra replacement shift cable bellows for use with Mercruiser Stern Drives. Includes bellows clamp and hose clamp. Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. For: All #1,...

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      • Sierra 18-2601-1 Transom Seal Kit
        List Price: $231.99
        Starting At: $162.49

        Sierra 18-2601-1 Transom Seal Kit Sierra high quality replacement engine parts are designed to meet or exceed OEM requirements. Features Greasable Gimbal Bearing. Fits: R, MR, Alpha I (1983-1990) s/n 6225577 & Up, Alpha I SS (1986-1989) s/n...

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      • Sierra 18-2750 Exhaust Bellows Replaces 18654A1
        List Price: $35.49
        Starting At: $24.99

        Sierra 18-2750 Exhaust Bellows Sierra replacement exhaust bellows for Mercruiser Stern Drives. The 18-2750 Exhaust Bellows includes a clamp and is manufactured to meet OEM requirements. Fits: MC-I, R, MR, Alpha One & Gen II, Vazer, Bravo &...

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      • Sierra 18-2649 Power Trim Seal Kit Replaces 25-87400A2
        List Price: $40.99
        Starting At: $28.99

        Sierra 18-2649 Mercruiser Power Trim Seal Kit Sierra high-quality engine parts are designed to meet OEM specifications.  Fits R, MR, Alpha One, Gen II & Bravo Interchangeable with: GLM 87400 Mercruiser Stern...

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      • Mercury Black Max 14.25x 21P Propeller 48-832832A45
        List Price: $244.16
        Starting At: $203.47

        Mercury Black Max Propeller 14.25x 21P RH 48-832832A45 Mercury Black Max Propellers are well-balanced aluminum props. These propellers are a great choice for engines less than 250 HP with top speeds less than 50 MPH/80 KPH. Mercury Black Max...

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      • Sierra 18-2174 U-Joint Replaces 75832T1
        List Price: $65.99
        Starting At: $49.99

        Sierra 18-2174 Heavy Duty U-Joint Cross and Bearing Sierra replacement heavy duty u-joint includes both a straight and a 90 degree grease fitting. Fits: Alpha I Units s/n B418819 & Above, also fits Alpha I SS & Bravo Interchangeable...

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      • Magnesium Trim Tab Anode
        List Price: $24.49
        Starting At: $16.99

        Sierra 18-6241 Magnesium Trim Tab Anode for Mercruiser, Mercury Sierra high quality aftermarket marine parts are manufactured to meet or exceed OEM requirements. Magnesium trim tab anodes should be used in fresh water only and with aluminum props...

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      • Sierra 18-2648 Upper Unit Seal Kit Replaces 26-32511A1
        List Price: $29.99
        Starting At: $20.99

        Sierra 18-2648 Upper Unit Seal Kit Sierra replacement upper unit seal kit for Mercruiser Stern Drives. Sierra replacement engine parts are manufactured to meet or exceed OEM requirements. For: #1 Units (Including Alpha) (Also fits 888 stern drive)...

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