Alpha 1 & Gen. 2 Outdrive Parts *Drawings *Videos

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Mercruiser propeller hardware parts

Propeller hardware parts

  • Brass and stainless thrust hub
  • Lock washer receiver
  • Tab washers / nuts
  • Exploded view Alpha 1 drawings 
  • Prop service kits
  • Nut and tab washer kits for 1-1/16 inch
  • Mercruiser prop wrench
  • Mercruiser stern drive prop kit

    21210 tab washer

    21210 tab washer

    21230 prop lock nut
    21230 prop lock nut

    Mercruiser stern drive prop hardware

    P/N 21250 kit includes:

    P/N 21210 washers 2
    P/N 21230 nut 1

    P/N 21250 $8.95 OEM 11-52707Q1

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    51140 Mercruiser Alpha One exhaust manifold elbow 807988Q03

    51140 Exhaust manifold elbow

    P/N 51140 Mercruiser Alpha One exhaust manifold elbow/riser $143.95

    Includes:
    P/N 30240 Elbow/riser gasket
    P/N 21892 plug
    P/N 22379 plug
    P/N 22381 x 4 mounting bolts

    21950 Mercruiser Alpha One transom bellows kit 30-803097T1

    21950 Bellows kit

    P/N 21950 Transom bellows kit (1973-1990), serial numbers 3469428 - 0D469800. 30-803097T1 $145.95

    Includes:
    P/N 89100 exhaust bellow
    P/N 89050 drive shaft bellow
    P/N 21906 Gimbal bearing
    P/N 39622 bell housing gasket
    P/N 47110/47120 water hoses
    P/N 89080 shift cable bellow
    P/N 85910 oil seal

    12043 Mercruiser Alpha One Gen 2 impeller kit 47-43026Q06

    12043 Impeller kit

    P/N 12043 Gen 2 impeller kit with coupling for Gen 2 Alpha 1 Generation 2 (1991 and up) Serial numbers OD469859 and up. *Does not include housing. $37.95

    Included:
    P/N 89630 / 47-43026T2 Impeller
    P/N 12824 / 816597A1 Coupling assembly
    P/N 85590 / 26-816575A2 Seal
    P/N 12500 / 817276-1 Wear plate
    P/N 30090 / 27-43033-1 Gasket
    P/N 82110 / 25-21836 O Ring
    P/N 31240 / 27-817277 Gasket

    87500 Mercruiser Alpha One upper gearcase seal kit 26-32511A1

    87500 Seal kit 26-32511A1

    P/N 87500 upper gearcase seal kit. Replaces 26-32511A1. For M1 / R / MR / Alpha 1 (1964 - 1990) serial numbers 1684188 - OD469858 $24.95

    Includes:
    P/N 85150 Grommet
    P/N 85020/85060/85030 Oil seals
    P/N 80420 O-ring P/N 80190 O-ring
    P/N 81180 O-ring P/N 82380 O-ring
    P/N 31150 Gasket