Part Number AEL19647 (PMA Gear Crankshaft Lycoming Io 540 in stock with ready to ship. Get an instant quote for Engine Components part number AEL19647 (PMA by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for AEL19647 (PMA. Our dedicated account manager will get back to you within 15 minutes.