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

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Mercruiser Alpha 1 oil pump *lower unit

Oil pump for the lower unit

  • Part number: 401-11245-1
  • Oil pump for the Mercruiser Alpha 1 lower unit
  • 4cc pump and 3/8" - 16 swivel metal marine fitting
  • Hose is flexible for hard to reach plugs
  • Includes adaptor that also fits OMC, Volvo and Evinrude/Johnson stern drives

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oil pump

oil pump

#401-11245-1 Lower unit oil pump $10.29

Customers who bought the lower unit oil pump, also purchased:

Gen 2 26-816575A3
Gen 2 26-816575A3

P/N 87511 GLM Marine gasket and seal kit for Mercruiser Alpha 1 Gen 2 (1991 and up) models. Replaces Mercury 26-816575A3. $45.15

12120 Alpha One

12120 Alpha One

P/N 12120 Alpha 1 lower unit water pump kit $35.15

(1984 - 1990) S/N 6854393 - OD469858