{"nhtsa_id":10087682,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-01-04","date":"2015-04-13","document_id":"TSB100982-040915","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN INTRODUCES NEW SINGLE PIECE, STEEL, CLOSED SKIRT PISTONS WITH A REDUCED DIAMETER TOP LAND. THE REDUCED DIAMETER TOP LAND DESIGN HAS BEEN IMPLEMENTED TO REDUCE OIL CONSUMPTION AND LINER POLISHING DUE TO CARBON PACKING.","document":null,"url":"https://open.wenmarpro.com/bulletins/10087682","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX15","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":[]}