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MerCruiser Alpha Gen 1 Outdrive (1973-1991)

MerCruiser Alpha Gen 1 Outdrive (1973-1991)

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  • SEI Marine SE106 MerCrusier Alpha Gen 1 Install Kit 90-106-03k

    SEI Marine SE106 MerCrusier Alpha Gen 1 Install Kit 90-106-03k

    SEI Marine

    $59.99
    SE106 Install Kit for all SEI Gen 1 drives
    Part Number:
    se-90-106-03k
    Availability:
    Dropship from SEI Florida - 1-2 business day handling time
    $59.99
    Qty in Cart: 0
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    Price:
    $59.99
    Earn $1.80 in PBS Store Credit
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  • SEI Marine SE106 Mercruiser Alpha One Gen 1 Outdrive

    SEI Marine SE106 Mercruiser Alpha One Gen 1 Outdrive

    SEI Marine

    $1,799.99
    Sterndrive Engineering SE106 drive Replaces MerCruiser Gen 1 alpha outdrives 1974-1990. 3 year No Fault warranty! Ships from Florida warehouse in two boxes Comes standard with a 9-9/16 new style input yoke Does not include Complete Install Kit or Anode...
    Part Number:
    sei-alphagen1-outdrive
    Availability:
    Dropship from SEI Florida - 1-2 business day handling time
    $1,799.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,799.99
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  • SEI Marine Mercruiser Gear lube and Pump Kit 88-102-01K

    SEI Marine Mercruiser Gear lube and Pump Kit 88-102-01K

    SEI Marine

    $49.99
    2 Qts of SEI HP Gear Lube and a Quart Size Gear Lube Pump with 3/8-16 Adapter.Does not include adaptor for Yamaha
    Part Number:
    SE-88-102-01K
    Availability:
    Dropship from SEI Florida - 1-2 business day handling time
    $49.99
    Qty in Cart: 0
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    $49.99
    Earn $1.50 in PBS Store Credit
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  • SEI Marine SE106 MerCruiser Alpha One Gen 1 Lower Unit (All Ratios)

    SEI Marine SE106 MerCruiser Alpha One Gen 1 Lower Unit (All Ratios)

    SEI Marine

    $1,030.00
    Sterndrive Engineering SE106 lower unit Works for all gear ratios Amazing 3 year No Fault warranty! Replaces R, MR, Alpha One lowers from approx. 1972-1990 Has 13 Spline Driveshaft The tooth count is 13-21 Up to 300 HP
    Part Number:
    sei-alphagen1-lower
    Availability:
    Dropship from SEI Florida - 1-2 business day handling time
    $1,030.00
    Qty in Cart: 0
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    $1,030.00
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  • Simrek Summit MerCruiser Alpha Gen 1 &  2 Drive Shower 106-DS

    Simrek Summit MerCruiser Alpha Gen 1 & 2 Drive Shower 106-DS

    simrek

    $239.95
    Summit Drive Shower for SE106 and SE116 drives & Gen 1 and Gen 2 OEM Alpha OutdrivesEasy installation with no drilling required.Can reduce the upper unit by 50 degees F.
    Part Number:
    sei-106-ds
    Availability:
    In Stock - Ships same or next business day.
    $239.95
    Qty in Cart: 0
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    $239.95
    Earn $7.20 in PBS Store Credit
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  • OEM Quicksilver/Mercury Bravo Shift Cable Adjustment Tool  18-9807 91-12427

    OEM Quicksilver/Mercury Bravo Shift Cable Adjustment Tool 18-9807 91-12427

    Mercury Marine / Quicksilver

    $15.20 $10.56
    OEM Factory MerCruiser Bravo shift Adjustment tool Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH
    Part Number:
    710-91-12427T
    Availability:
    In Stock - Ships same or next business day.
    $15.20 $10.56
    Qty in Cart: 0
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    $15.20 $10.56
    Earn $0.32 in PBS Store Credit
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  • SEI Marine SE106 Outdrive Upper Unit (Replaces Mercruiser Alpha One Gen 1)

    SEI Marine SE106 Outdrive Upper Unit (Replaces Mercruiser Alpha One Gen 1)

    SEI Marine

    $999.99
    Sterndrive Engineering SE106 upper unit Replaces MerCruiser Gen 1 alpha outdrive upper units 1974-1990. Drive #s 714-5-5010162cp , 714-5-5010147cp , 714-5-5010181cp , 714-5-5010194cp Amazing 3 year No Fault warranty! Call with questions: 856-232-696...
    Part Number:
    sei-alphagen1-upper
    Availability:
    Dropship from SEI Florida - 1-2 business day handling time
    $999.99
    Qty in Cart: 0
    Quantity:
    Price:
    $999.99
    Earn $30.00 in PBS Store Credit
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  • On Sale
    OEM MerCruiser Alpha Gen 1 Outdrive 1.47/1.50 1.62/1.65 1.81/1.84 1.94

    OEM MerCruiser Alpha Gen 1 Outdrive 1.47/1.50 1.62/1.65 1.81/1.84 1.94

    Mercury Marine / Quicksilver

    $4,378.00 $3,799.00
    OEM MerCruiser Alpha Gen 1 Outdrive Factory Warranty Replaces MerCruiser Gen 1 alpha outdrives 1974-1991    
    Part Number:
    MERC-ALPHAGEN1-OUTDRIVE
    Availability:
    Limited Stock - Please call before ordering.
    $4,378.00 $3,799.00
    Qty in Cart: 0
    Quantity:
    Price:
    $4,378.00 $3,799.00
    Buy this product to earn $50.00 in Store Credit
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MerCruiser Alpha Gen 1 Outdrive

The Mercruiser Alpha One lives up to its reputation as “the world’s most popular sterndrive” by delivering reliable speed and performance in a value-priced package. Used for single and twin engine applications, the Alpha One Gen 1 outdrive cuts through the water thanks to a super-efficient hydrodynamic profile producing very little drag and increased fuel efficiency. Made to power boats capable of speeds up to 65 mph with up to 300hp gas engines (or 150hp diesel engines). Variety of maintenance-free features such as an integrated water pump and permanently lubricated pivot points help take the stress out of boat ownership. Replaces MerCruiser Gen 1 Alpha outdrives from 1974-1991. Available in the following gear ratios:

  • 1.47/1.50 | 20-22 Tooth Count 
  • 1.62/1.65 | 24-24 Tooth Count 
  • 1.81/1.84 | 17-19 Tooth Count 
  • 1.94/1.98/2.00 | 20/24 Tooth Count

Enjoy quick response time and delivery when you purchase your MerCruiser Alpha 1 outdrive and accessories from PowerBoatSupply.com. 1-year OEM factory warranty against defects and workmanship. Propellers sold separately.

Mercury Alpha One features

Strength, versatility, and reliability make this budget-friendly outdrive propulsion system a popular choice year after year. Some highlight features of the Alpha 1 include:

  • Slices through the water with minimal drag thanks to hydrodynamic lower unit
  • Tri-Paint System (Irridite, EDP & Powder Paint) forms a long-lasting corrosion resistant barrier
  • Maximum power with quiet operation thanks to noise-reducing Through-Prop exhaust
  • Power Trim XD® system automatically returns the drive to the water so that you can maintain complete control of your boat even in choppy and rough water
  • Drive lube monitor sounds the alarm when drive lube is low
  • Refill lube without pulling your boat out of the water thanks to easy-inspection engine mounting
  • Flexible options for using 3, 4 or 5 blade propellers in stainless steel or aluminum
  • 300 HP (221 kW) maximum power capacity with a 15-inch diameter propeller

Mercury Marine Alpha Series

PowerBoatSupply.com is proud to have served boat owners and mechanic shops for over 35 years with high-quality outdrives and parts. Get prompt delivery on your Alpha Gen 1 or Alpha Gen 2 sterndrive, along with any other replacement MerCruiser parts you need to keep your boat in peak operating condition. We’re a Platinum-level Mercury dealer, and our knowledgeable customer service reps are ready to field any questions you may have about these products and which parts and accessories are right for your needs.