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OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

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OMC Cobra water pump impeller

Water Pump Impeller for OMC Cobra Sterndrive

Updated May 26 2026

  • GLM aftermarket Impeller replaces OEM # 983895, Sierra # 18-3058
  • For all OMC Cobra / Sterndrive models with Ford or Chevy 2.3L – 5.8L models
  • Compatible with the big block Ford 460 King Cobra model 1987 – 1988 *will not work with cone clutch models
  • Also available in our complete water pump impeller service kit
  • Contact our tech department for questions or help with installation
  • 2 day shipping to anywhere in the United States via Fedex Express
OMC Cobra Impeller, Water Pump - OMC Cobra Impeller
GLM 89950 Water pump impeller OMC OEM 983895

# 89950 $15.95 US

# 89950 $ 25.89 CDN

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