{"nhtsa_id":11027272,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-01-07","date":"2025-12-17","document_id":"No. 51-25","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Manufacturers certificate for an Overview of Approved Porsche C40 GT Engine Oils. 982, 991, and 992 affected","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027272-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027272-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11027272","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"718 CAYMAN GT4","year_from":2022,"year_to":2024,"match":"base","vehicle_ids":["2022_porsche_718-cayman","2023_porsche_718-cayman","2024_porsche_718-cayman"]},{"make":"PORSCHE","model":"718 CAYMAN GT4 RS","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_porsche_718-cayman"]},{"make":"PORSCHE","model":"718 SPYDER RS","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_porsche_718-spyder"]},{"make":"PORSCHE","model":"911","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_porsche_911","2022_porsche_911"]},{"make":"PORSCHE","model":"911","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_porsche_911","2026_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA","year_from":2025,"year_to":2026,"match":"base","vehicle_ids":["2025_porsche_911","2026_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA S","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA S","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA T","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_porsche_911"]},{"make":"PORSCHE","model":"911 GT3","year_from":2021,"year_to":2026,"match":"base","vehicle_ids":["2021_porsche_911","2022_porsche_911","2023_porsche_911","2024_porsche_911","2025_porsche_911","2026_porsche_911"]},{"make":"PORSCHE","model":"911 GT3 RS","year_from":2023,"year_to":2024,"match":"base","vehicle_ids":["2023_porsche_911","2024_porsche_911"]},{"make":"PORSCHE","model":"CAYMAN GT4","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_porsche_cayman"]},{"make":"PORSCHE","model":"CAYMAN GT4","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"redundant CAYMAN GT4","year_from":2023,"year_to":2023,"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":[]}