{"nhtsa_id":10028327,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-03-25","date":"2008-11-05","document_id":"TSB-41-13","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"KENWORTH TRUCK: AIR INTAKE FOR PRE-2007 ISM ENGINE IN T800 SHORT HOOD CHASSIS. PREMATURE ENGINE WEAR DUE TO DIRT INGESTION INVOLVING THE 2002-07 T800 SHORT HOOD (SH) MODEL WITH CUMMINS ISM ENGINE. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10028327","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T800","year_from":2002,"year_to":2005,"match":"exact","vehicle_ids":["2002_kenworth_t800","2003_kenworth_t800","2004_kenworth_t800","2005_kenworth_t800"]},{"make":"KENWORTH","model":"T800","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":[]}