{"nhtsa_id":10089540,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-01-26","date":"2014-07-16","document_id":"TSB100875-071414","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN INTRODUCES A NEW SEMI-INLAID INTERMEDIATE PISTON RING. THIS NEW PISTON RING PROVIDES FOR IMPROVED TOP RING SEATING.","document":null,"url":"https://open.wenmarpro.com/bulletins/10089540","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}