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MerCruiser Alpha Gen 1 Outdrive (1973-1991)

MerCruiser Alpha Gen 1 Outdrive (1973-1991)

  • OEM Quicksilver/Mercury Bearing Retainer  8168112 8M0169040

    OEM Quicksilver/Mercury Bearing Retainer 8168112 8M0169040

    Mercury Marine / Quicksilver

    $41.99 $37.99
    OEM Quicksilver/Mercury Bearing Retainer  8168112  8M0169040 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be...
    Part Number:
    710-8M0169040
    Availability:
    In Stock - Ships same or next business day.
    $41.99 $37.99
  • OEM Quicksilver/Mercury Short Alphas Yoke Assembly 46020T02

    OEM Quicksilver/Mercury Short Alphas Yoke Assembly 46020T02

    Mercury Marine / Quicksilver

    $224.49 $164.87
    OEM Quicksilver/Mercury Short Alphas Yoke Assembly 46020T02 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be...
    Part Number:
    710-46020T02
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Yoke Assembly
    $224.49 $164.87
  • OEM MerCruiser Oil Seal  26-89238

    OEM MerCruiser Oil Seal 26-89238

    Mercury Marine / Quicksilver

    $16.75 $16.71
    OEM MerCruiser Oil Seal 26-89238 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...
    Part Number:
    710-26-89238
    Availability:
    In Stock - Ships same or next business day.
    $16.75 $16.71
  • OEM MerCruiser Tapered Roller Bearing Gen 2 31-32575T1

    OEM MerCruiser Tapered Roller Bearing Gen 2 31-32575T1

    Mercury Marine / Quicksilver

    $35.99 $27.29
    OEM MerCruiser Tapered Roller Bearing Gen 2 31-32575T1 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of...
    Part Number:
    710-31-32575T1
    Availability:
    In Stock - Ships same or next business day.
    $35.99 $27.29
  • OEM Quicksilver/Mercury E-Ring 53-29641

    OEM Quicksilver/Mercury E-Ring 53-29641

    Mercury Marine / Quicksilver

    $2.47
    OEM Quicksilver/Mercury E-Ring 53-29641 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury...
    Part Number:
    710-53-29641
    Availability:
    In Stock - Ships same or next business day.
    $2.47
  • OEM MerCruiser Bearing Carrier Keyed Wash 14-79447

    OEM MerCruiser Bearing Carrier Keyed Wash 14-79447

    Mercury Marine / Quicksilver

    $13.69 $9.81
    OEM MerCruiser Bearing Carrier Keyed Wash 14-79447 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our...
    Part Number:
    710-14-79447
    Availability:
    In Stock - Ships same or next business day.
    $13.69 $9.81
  • OEM MerCruiser Pinion Nut 11-35921

    OEM MerCruiser Pinion Nut 11-35921

    Mercury Marine / Quicksilver

    $7.99 $6.50
    OEM MerCruiser Pinion Nut 11-35921 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts...
    Part Number:
    710-11-35921
    Availability:
    In Stock - Ships same or next business day.
    Fitment:
    .625-18
    $7.99 $6.50
  • OEM MerCruiser Bearing Carrier Needle Brg 31-30956T

    OEM MerCruiser Bearing Carrier Needle Brg 31-30956T

    Mercury Marine / Quicksilver

    $19.49 $15.43
    OEM MerCruiser Bearing Carrier Needle Brg 31-30956T Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of...
    Part Number:
    710-31-30956T
    Availability:
    In Stock - Ships same or next business day.
    $19.49 $15.43
  • Special Order! See availability for details
    OEM MerCruiser Water Pocket Gasket 27-558101

    OEM MerCruiser Water Pocket Gasket 27-558101

    Mercury Marine / Quicksilver

    $3.13
    OEM MerCruiser Water Pocket Gasket 27-558101 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our...
    Part Number:
    MM-27-558101
    Availability:
    See Special Order Details
  • OEM MerCruiser Lower Driveshaft Bearing-Alp 31-42647A 1

    OEM MerCruiser Lower Driveshaft Bearing-Alp 31-42647A 1

    Mercury Marine / Quicksilver

    $65.99 $49.13
    OEM MerCruiser Lower Driveshaft Bearing-Alp 31-42647A 1 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll...
    Part Number:
    710-31-42647A1
    Availability:
    In Stock - Ships same or next business day.
    $65.99 $49.13
  • On Sale
    Special Order! See availability for details
    OEM MerCruiser Washer 12-29245 12-8M0204649

    OEM MerCruiser Washer 12-29245 12-8M0204649

    Mercury Marine / Quicksilver

    $1.20 $0.87
    OEM MerCruiser Washer 12-29245 12-8M0204649 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our...
    Part Number:
    MM-12-8M0204649
    Availability:
    See Special Order Details
    Fitment:
    .281 x .500 x .060
    $1.20 $0.87
  • Special Order! See availability for details
    OEM MerCruiser Water Inlet Plate Screw 10-76156

    OEM MerCruiser Water Inlet Plate Screw 10-76156

    Mercury Marine / Quicksilver

    $3.40 $1.30
    OEM MerCruiser Water Inlet Plate Screw 10-76156 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our...
    Part Number:
    MM-10-76156
    Availability:
    See Special Order Details
    Fitment:
    #10-32 x 1.88
    $3.40 $1.30
  • OEM MerCruiser Face Plate Gasket-O/B  27-858524

    OEM MerCruiser Face Plate Gasket-O/B 27-858524

    Mercury Marine / Quicksilver

    $4.09 $3.97
    Water pump gasket 858524 For use on MerCruiser 1, R, MR and Alpha One stern drives (s/n 2495186 through 0D469858), Mercury and Mariner 65 hp (4-cylinder) through V-6 outboards with short-vane water...
    Part Number:
    710-27-858524
    Availability:
    In Stock - Ships same or next business day.
    $4.09 $3.97
  • OEM MerCruiser Gearcase Seal Kit O/B  26-89238A2

    OEM MerCruiser Gearcase Seal Kit O/B 26-89238A2

    Mercury Marine / Quicksilver

    $97.49 $71.22
    OEM MerCruiser Gearcase Seal Kit O/B 26-89238A 2 Gearcase seal kit 89238A2 is for Mercury and Mariner 135 hp through 150 hp V-6 outboards (serial number 0A904646 and newer) and 175 hp through 200 hp...
    Part Number:
    710-26-89238A2
    Availability:
    In Stock - Ships same or next business day.
    $97.49 $71.22
  • OEM MerCruiser Water Pump Gasket 27-8M0090319

    OEM MerCruiser Water Pump Gasket 27-8M0090319

    Mercury Marine / Quicksilver

    $4.19 $4.03
    OEM MerCruiser Water Pump Gasket 27-8M0090319.  Water pump gasket 8M0090319 Change seals and gaskets when servicing or replacing water pump impellers. See your owner's manual or service manual for...
    Part Number:
    710-27-8M0090319
    Availability:
    In Stock - Ships same or next business day.
    $4.19 $4.03

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.