Sierra International 18-3239 Marine Impeller Repair Kit for Mercury/Mariner Outboard Motor
Sierra Impeller Kit for Mercury 4 / 7.5 / 9.8 HP with .456 OD Drive Shaft. 4HP (serial number 5595532-9075838). 4.5HP (serial number 5595532-up) . 7.5HP (serial number 5206550 and up). 9.8HP (serial number 5206550 and up). Order Today! Sierra Impeller Kit for Mercury 4 / 7.5 / 9.8 HP with .456 OD Drive Shaft