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Mercruiser propeller shaft thrust hub lockwasher

Outdrive Lower Unit propeller Lock Washer

  • 10 point aluminum lock washer GLM # 21760, OEM # 13-42351-1
  • Installs onto the sterndrive lower unit propeller shaft
  • Also included in prop service kit

21760 Lock washer

21760 Lock washer

P/N 21760 Propeller lock washer OEM 13-42351-1 $4.95