{"nhtsa_id":10058333,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-09-02","date":"2015-04-01","document_id":"15503","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. A POTENTIAL ENGINE DERATE OR SHUTDOWN HAS BEEN DETERMINED IN CERTAIN DURASTAR AND WORKSTAR MODELS *CN","document":null,"url":"https://open.wenmarpro.com/bulletins/10058333","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"INTERNATIONAL","model":"DURASTAR","year_from":2010,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"WORKSTAR","year_from":2010,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"WORKSTAR","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_international_workstar","2015_international_workstar"]}],"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":[]}