Impeller for outboard Mercury 50 hp 500 2 stroke water pump 47-89983T 4 cyl
1279685 - 6445653 45 HP 2 cyl 1520984 - up 50 HP 4 cyl. 1521914 - UP 50 HP 3 cyl. 6428681 - D000749 60 HP 6428681 - D000749 65 HP 3 cyl. 3293184 - 4571651 70 HP 3 cyl. OEM part number used for reference only.