Part Number 4A-631-21-58-08-03 Bushing Teflon in stock with ready to ship. Get an instant quote for Embraer Aircraft part number 4A-631-21-58-08-03 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 4A-631-21-58-08-03. Our dedicated account manager will get back to you within 15 minutes.