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Sierra Bi-Directional Water Circulating Pump

  • Designed to Fit Big Block GM Engines with Stamped Steel Timing Covers
  • Replaces Mercruiser Inboard / Outboard 67859, 17670, 811573 and 30103
  • Includes Mounting Gaskets
  • Item #: 
    Model #: 
    Shipping Weight: 
    14.85 Lbs.
    Our Price:
    Status:    In Stock



    Sierra Bi-Directional Water Circulation Pump Model No. 18-3577


    • Brass bi-directional impellers
    • All mounting hubs checked for proper roll out
    • Stainless steel backing plate and attaching hardware
    • Replaces the following:
      • Mercruiser I/O 67859
      • Mercruiser I/O 17670
      • Mercruiser I/O 811573
      • Mercruiser I/O 30103
      • GM 6269358
      • OMC 987447


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