{"nhtsa_id":10233012,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-20","date":"2023-02-01","document_id":"TSB210065","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE","mfr_system":null,"summary":"This Technical Service Bulletin accounces the introduction of new valve stem seal design that has been optimized for improved blowby and oil control for natural gas engine intake manifold pressures and includes the valve spring guide and is visually different in appearance from the existing part number.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233012-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233012-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10233012","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX","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":[]}