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Sierra Piston Kit For Mercruiser Stern Drive, Sierra Part #18-4189

Item # 749140
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Ships within 5 - 6 business days

Additional Information:
  • Additional discounts do not apply.


  • Sierra Part #18-4189

  • Piston kit

  • For Mercruiser stern drive engine

Product Summary 

Sierra piston kit for Mercruiser stern drive engine. For 330 GM, 330 GM/W.B.W., 340, 454 Magnum GM, 7.4L GM (IB), 7.4L Bravo GM, and 7.4L W/HURTH (IB) models. Sierra Part #18-4189.