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Sierra Upper Gear Kit For Mercury Marine Engine, Sierra Part #18-2257

Item # 749583
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Ships within 7 - 10 days


  • Sierra Part #18-2257

  • Upper gear kit

  • For Mercury Marine engine

Product Summary 

Sierra upper gear kit for Mercury Marine engine. For 6-cylinder inline applications with 1.65:1 ratio. Sierra Part #18-2257.

OEM Part Number: