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Alpha 1 & Generation 2 welch plug upper gearcase part

Mercruiser Alpha One stern drive welch plug
for upper gear case

  • OEM # 46020-1
  • Alpha One welch plug 1-1/4" O.D.
  • Item number 40 with exploded view illustrated photo

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22031 welch plug 1.250 inch

22031 welch plug 1.250 inch

P/N 22031 Welch plug $4.29

Customer who bought P/N 22031 also purchased:

87500 Alpha One Gear Case Seal Kit
87500 Alpha One Gear Case Seal Kit

P/N 87500 Mercruiser and Alpha 1 Generation 1, 1970 - 1990 upper housing seal kit. Replaces Mercury 26-32511A1. $24.15

89050 Alpha One 60932A4
89050 Alpha One 60932A4

P/N 89050 Drive shaft (u joint) bellows for all models from 1973 to 1990, serial numbers 3469428 to 0D469858. Replaces OEM 60932A4. $38.15