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Sierra Upper Unit Gear Repair Kit For Mercury Marine, Sierra Part #18-2363

Item # 749579
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Ships within 7 - 10 days


  • Sierra Part #18-2363

  • Upper unit gear repair kit

  • For Mercury Marine engine

Product Summary 

Sierra upper unit gear repair kit for Mercury Marine engine. For 20-24 teeth. 1.98:1 (1.94/2.40:1) Gen II applications with serial number up to OK999999 only. Sierra Part #18-2363.

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