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Sierra Upper Shift Shaft For Mercury Marine Engine, Sierra Part #18-3749

Item # 751044
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Ships within 7 - 10 days


  • Sierra Part #18-3749

  • Upper shift shaft

  • For Mercury Marine engine

Product Summary 

Sierra upper shift shaft for Mercury Marine engine. For Alpha Gen II (1991-98) applications. Sierra Part #18-3749.

OEM Part Number: