89031A1 Fuel Pump Diaphragm Kit – Mercury

The 89031A1 Fuel Pump Diaphragm Kit is a genuine Mercury OEM replacement kit designed to restore fuel pump performance in select Mercury and Mariner outboard engines. This kit includes all the essential gaskets, seals, and diaphragm components needed to rebuild your engine’s fuel pump and ensure reliable fuel delivery.

Perfect for addressing issues like hard starts, rough idling, or inconsistent fuel flow, this kit is manufactured to meet original factory specifications for a precise fit and long-lasting durability.

Key Features:

• Part Number: 89031A1

• Brand: Mercury Marine (OEM)

• Includes: Diaphragms, gaskets, O-rings, and seals (as shown)

• Function: Rebuilds fuel pump for consistent performance

• Condition: New, complete kit

• Application: Designed for select 2-stroke Mercury and Mariner outboards

Fits:
Various Mercury and Mariner outboard models. Please refer to your service manual or parts diagram to confirm fitment.