Part Number 45A40306-21 Duct Assembly L H And R H Eng Cent in stock with ready to ship. Get an instant quote for Hawker Beechcraft part number 45A40306-21 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 45A40306-21. Our dedicated account manager will get back to you within 15 minutes.