{"nhtsa_id":10177990,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-05","date":"2020-07-30","document_id":"No. 30-20","mfr_campaign":null,"replaces":null,"component":"WHEELS; TIRES","mfr_system":null,"summary":"List of approved wheels, tires, and wheel spacers for the 991 generation 911.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177990-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177990-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10177990","components":[{"id":"tires","name":"Tires","parent":null},{"id":"wheels","name":"Wheels","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"911","year_from":2012,"year_to":2016,"match":"exact","vehicle_ids":["2012_porsche_911","2013_porsche_911","2014_porsche_911","2015_porsche_911","2016_porsche_911"]}],"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":[]}