Part Number 390-521245-0013 Tube Assembly Hydr System Press Rw in stock with ready to ship. Get an instant quote for Hawker Beechcraft part number 390-521245-0013 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 390-521245-0013. Our dedicated account manager will get back to you within 15 minutes.