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Sierra Complete Lower Unit Assembly For OMC Engine, Sierra Part #18-4840

Item # 749645
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Ships within 5 - 6 business days

Additional Information:
  • Additional discounts do not apply.


  • Sierra Part #18-4840

  • Complete lower unit assembly

  • For OMC engine

Product Summary 

Sierra complete lower unit assembly for OMC engine. Fits 40/48/50 HP with 20" shaft (1989-92). Sierra Part #18-4840.

OEM Part Number: