Home Propeller & Accessories Propellers Propeller Hardware Mercury/Mercruiser Propeller Nut (18-3728) Sierra International Mercury/Mercruiser Propeller Nut (18-3728) $4.79 Mercury/Mercruiser Propeller Nut (18-3728) quantity Add to cart Product Details Product Details Replaces Mercury/Mercruiser 11-99298, 11-863332.
