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

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Alpha One gearcase upper housing #19000

GLM Marine aftermarket part, upper gearcase drive shaft housing without internal components

  • New gear-case empty upper housing for years 1984 to 1990 replaces OEM housing (does not replace Generation 2). Also compatible with all Mercruiser MC-1 (1970 to 1982) and R/MR models
  • Manufactured by GLM Marine aftermarket parts, OEM 1547-9412A18
  • Alpha 1 upper gear case exploded view drawing Click here
  • *Internal parts and components are not included with housing

Exploded view Mercruiser drawings
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19000 Alpha One upper gearcase

19000 upper gearcase

P/N 19000 Mercruiser Alpha One gear-case upper drive shaft housing without internal parts OEM 1547-9412A18 $599.29