{"nhtsa_id":10175201,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-18","date":"2020-04-16","document_id":"TSB170022-032420","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; EQUIPMENT","mfr_system":null,"summary":"This Technical Service Bulletin describes the release of a Steel Piston and Aluminum Piston Kit. The new steel piston replaces the original aluminum piston for select ISL G CM2180 models for improved piston durability. This is an update to a previously submitted communication.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175201-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175201-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175201","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS WESTPORT","model":"ISL G","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":[]}