Quick view Add to Cart Sierra 18-3709 Prop Nut Kit $13.99 $9.99 Sierra 18-3709 Prop Nut Kit Sierra replacement prop nut kit for Yamaha Outboards. Fits: Yamaha 4 (1984-91), 5(1984-85) Interchangeable with: Yamaha Outboard 647-45616-02-00 Add to Cart
