Mercruiser Alpha One Gen1 Parts

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Parts Selection Guide

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Prop Selection Guide

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      • Quicksilver SAE 90 High Performance Gear Lube
        $9.99

        Quicksilver High Performance Gear Lube SAE 90 Quicksilver High Performance Gear Lube SAE 90 is a premium synthetic blend gear oil engineered specifically for marine applications. This professional-grade marine lubricant delivers superior protection for...

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      • Sierra 18-2244 Drain Screw
        $3.99
        $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 OEM MerCruiser Bellows Adhesive 86166Q-1
        $12.99
        $10.99

        Quicksilver OEM MerCruiser Bellows Adhesive 86166Q-1   This adhesive is used to securely seal the universal and exhaust bellows on a MerCruiser drive. Adhesive Instructions: It is important to properly prepare the surface by removing all loose...

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      • Sierra 18-7633 Trim Sender/Limit Kit Replaces 805320A03
        $141.99
        $98.99

        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 18-3217 Impeller Kit Replaces 46-96148A8
        $35.99
        $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
        $56.99
        $39.99

        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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      • Mercury Black Max 14.25x 21P Propeller 48-832832A45
        $244.16
        $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 18-2750 MerCruiser Exhaust Bellows Replaces 8M0124227
        $36.99
        $25.99

        Sierra 18-2750 MerCruiser Exhaust Bellows Replaces 8M0124227 This Sierra exhaust bellows is designed for use with MerCruiser drives. Application Info: Fits MerCruiser Alpha One Gen I drives from 1983-1991 with serial numbers 06225577 thru...

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      • Mercury Black Max 14.5x 19P Propeller 48-832830A45
        $244.16
        $203.47

        Mercury Black Max 14.5x 19P Propeller 48-832830A45 The Mercury Black Max 14.5x19P Propeller is engineered for optimal performance on outboard and sterndrive engines under 250 HP. Built with precision-crafted Mercalloy aluminum, this three-blade...

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      • Sierra 18-2649 Power Trim Seal Kit Replaces 25-87400A2
        $41.99
        $29.49

        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 13-1/4x 17P Propeller 48-77344A45
        $228.26
        $190.22

        Mercury Black Max Propeller 13-1/4 x 17P RH 48-77344A45 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
        $67.99
        $51.99

        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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      • Sierra 18-2648 Upper Unit Seal Kit Replaces 26-32511A1
        $30.99
        $21.99

        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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      • Sierra 18-2104 U-Joint Replaces 75832T1
        $59.99
        $41.99

        Sierra 18-2104 Heavy Duty U-Joint Sierra heavy duty u-joint cross and bearing includes both straight and 90 degree grease fittings. Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Fits all #1 & Alpha I units...

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      • Mercury-Mercruiser 46-96148A-8 Water Pump Kit
        $67.79
        $56.49

        Mercury-Mercruiser 46-96148A-8 Water Pump Kit w/ Housing Genuine OEM replacement Mercury-Mercruiser water pump kit. Includes housing. Replaces: Sierra 18-3217 Mercury 46-60367A-1 + 46-60367A-1

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