Home Propeller & Accessories Propellers Propeller Hardware Johnson/Evinrude, OMC SX Cobra Propeller Hardware Kit (18-3733) Sierra International Johnson/Evinrude, OMC SX Cobra Propeller Hardware Kit (18-3733) $33.29 Johnson/Evinrude, OMC SX Cobra Propeller Hardware Kit (18-3733) quantity Add to cart Product Details Product Details Fits Johnson/Evinrude and OMC Includes: 18-3708-1 – Nut/Keeper, 18-3741 – Cotter Pin and 18-4194 – Spacer For: SX Cobra