{"nhtsa_id":10199881,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-04","date":"2021-07-30","document_id":"No. 76-20","mfr_campaign":null,"replaces":null,"component":"WHEELS; TIRES; EQUIPMENT","mfr_system":null,"summary":"List of approved wheels, tires, and spacers for the 911, from Model Years 1965 to 1989.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199881-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199881-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10199881","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"tires","name":"Tires","parent":null},{"id":"wheels","name":"Wheels","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"911","year_from":1966,"year_to":1967,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"911","year_from":1969,"year_to":1970,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"911","year_from":1972,"year_to":1979,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"911","year_from":1983,"year_to":1984,"match":"exact","vehicle_ids":["1983_porsche_911","1984_porsche_911"]},{"make":"PORSCHE","model":"911","year_from":1987,"year_to":1989,"match":"exact","vehicle_ids":["1987_porsche_911","1988_porsche_911","1989_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":[]}