FUEL PUMP DIAPHRAGM REPAIR KIT FOR MERCURY OUTBOARD 45 50 HP OLD 4CYL 1399-5137

Fits the following MARINER MERCURY outboards:

7.5HP 2-CYL ENGINE NUMBERS 9217756 & Up, 8057545 & Up, 7125388 & Up, 5206550 & Up,
9.8HP 2-CYL ENGINE NUMBERS 9217756 & Up, 8057545 & Up, 7125388 & Up, 5206550 & Up,
45HP-4CYL ENGINE NUMBERS 5531630 THRU 0B110788, 7143688 THRU 0A719280, 8063985 & Up, 8063985 & Up, 9248006 THRU 9466691, 9248006 THRU 9466691, 5531630 THRU 0B110788, 7143688 THRU 0A719280
50HP - 4CYL ENGINE NUMBERS 5531630 & Up, 7143688 & Up, 8063985 & Up, 9248006 & Up, 5531630 & Up,143688 & Up, 8063985 & Up, 9248006 & Up,
110 MERCURY OLD 10HP 2-CYL ENGINE NUMBERS 3263263 THRU 3795657
200 MERCURY OLD 20HP 2-CYL ENGINE NUMBERS 3537531 THRU 4709592, 7012358 THRU 7098522, 9016254 THRU 9157229, 8006265 THRU 8045198

Replaces Mercury Part number:1399-5137

If the part looks the same like yours is not always the right one for your outboards so please double check.