Part Number 99-523-6B3-5220 Switch Autofeather in stock with ready to ship. Get an instant quote for Bombardier Aerospace part number 99-523-6B3-5220 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 99-523-6B3-5220. Our dedicated account manager will get back to you within 15 minutes.