Part Number AEL25C21 (PMA Stud 1 4 Diameter X 2 625 in stock with ready to ship. Get an instant quote for Engine Components part number AEL25C21 (PMA by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for AEL25C21 (PMA. Our dedicated account manager will get back to you within 15 minutes.