{"nhtsa_id":10000548,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-03-25","date":"2002-08-07","document_id":"0143","mfr_campaign":null,"replaces":"0143A","component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"DESIGN ISSUE REGARDING INTEGRATED CENTINEL OIL LINE SWITCH. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10000548","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISM","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":[]}