Mercruiser Alpha One Drive Shaft

Lower Unit Vertical Drive Shafts

Last updated on 12/08/2023, 01:17:46

  • GLM drive shafts for Alpha 1 Gen 1 and Generation 2 lower units
  • P/N 11120 does not have the preload pin on top (use P/N 11110 for 1983 or older models)
  • P/N 11140 is compatible with all 1991 and up Gen 2 stern drives
  • Exploded view Alpha One drawings
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11120 drive shaft

P/N 11120 Drive shaft for years 1984 – 1990 (serial numbers 6225577 – 0D469858 OEM 45-42634 $154.99

11140 Shaft Alpha Gen 2 OEM 45-816919

P/N 11140 Alpha 1 Generation 2 (1991 and up, serial numbers 0D469859 and up. Replaces OEM 45-816919, 45-816472, 45-853647 and 45-853648 $475.99

Customers who ordered P/N 11120 and 11140 also purchased:

87510 Seal Kit 26-33144A2

P/N 87510 Replaces OEM 26-33144A2. $42.95

P/N 87511 1991 and up lower unit seal kit for the Generation 2 stern drive. Replaces 26-816575A3. $41.99

12120 Water pump

P/N 12120 stern drive impeller pump kit for the lower unit. Compatible with 1983 – 1990 models, serial numbers 6854393-OD469858. $35.95

 

12043 Impeller kit 47-43026K06

P/N 12043 Generation 2, 1991 and up basic impeller rebuild kit. Replaces OEM 47-43026K06. $44.99

12080 Impeller kit Alpha 1 Generation 2 outdrive

P/N 12080 Impeller with gaskets and carrier assembly. $57.15

39622 OMC Bell housing gasket kit

P/N 39622 Gasket kit – fits between the outdrive and bell housing. Use gasket sealing compound (available below) on both sides of gasket. Replaces OEM 27-94996A2. $9.95

 

317201 Large Sealant-Johnson

P/N 508235 Gasket sealant (includes brush inside lid). 4 ounce. $24.95