Part Number 7931-3E1556 Wire Harness Prop Hub Ext in stock with ready to ship. Get an instant quote for Hartzell Propeller part number 7931-3E1556 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 7931-3E1556. Our dedicated account manager will get back to you within 15 minutes.