{"nhtsa_id":10043553,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-04-10","date":"2012-02-01","document_id":"AFC-11928","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"NAVISTAR: REPLACING THE HEATER SUPPLY PIPE. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10043553","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"INTERNATIONAL","model":"WORKSTAR","year_from":2010,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"INTL","model":"WORKSTAR","year_from":2006,"year_to":2007,"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":[]}