Part Number S1-257842R91 having (CAGE Code 92679) and FSC 2815 Diesel Engines and Components in stock with ready to ship. Get an instant quote for S1-257842R91 Ring Set Piston by Navistar Intl Corp. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.