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Home›Bulletins›Porsche› 13/26
Manufacturer communication · Service bulletin

Porsche bulletin 13/26

Porsche filed this with NHTSA as a service bulletin dated Jul 22, 2026, received Aug 6, 2026, about the engine. It names 93 model years (2016–2026). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.

2025 Porsche 718: every bulletin →Every Porsche bulletin on file →Porsche’s own VIN lookup →

What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

Allocation of Approved Engine Oils MY 2027 (13/26)

Kind Service bulletin Manufacturer date Jul 22, 2026 Received by NHTSA Aug 6, 2026 Components Engine

Document filed under this number

DocumentKindDatedNHTSA id
13/26Service bulletinJul 22, 202611035916

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5; the full text comes from the manufacturer or a dealer. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. Quote it at a service desk; it is what the dealer’s system is keyed on.

Model years it names

Source: as the manufacturer filed them
2025 Porsche 7182024 Porsche 7182023 Porsche 7182022 Porsche 7182021 Porsche 7182020 Porsche 7182019 Porsche 7182026 Porsche 9112025 Porsche 9112024 Porsche 9112023 Porsche 9112022 Porsche 9112021 Porsche 9112020 Porsche 9112019 Porsche 9112018 Porsche 9112017 Porsche 9112016 Porsche 9112026 Porsche Cayenne2025 Porsche Cayenne2024 Porsche Cayenne2023 Porsche Cayenne2022 Porsche Cayenne2021 Porsche Cayenne2020 Porsche Cayenne2019 Porsche Cayenne2018 Porsche Cayenne2017 Porsche Cayenne2016 Porsche Cayenne2020 Porsche Cayman2016 Porsche Cayman2026 Porsche Macan2025 Porsche Macan2024 Porsche Macan2023 Porsche Macan2022 Porsche Macan2021 Porsche Macan2020 Porsche Macan2019 Porsche Macan2018 Porsche Macan

and 20 more model years on this site.

Also filed against model years this site has no page for: 2017 Porsche 718; 2016 Porsche 718 Boxster; 2017 Porsche 718 Boxster; 2018 Porsche 718 Boxster; 2026 Porsche 718 Boxster; 2017 Porsche 718 Boxster S; 2018 Porsche 718 Boxster S; 2016 Porsche 718 Cayman; 2017 Porsche 718 Cayman; 2018 Porsche 718 Cayman; 2026 Porsche 718 Cayman; 2017 Porsche 718 Cayman S; 2018 Porsche 718 Cayman S; 2018 Porsche 718 Spyder; 2026 Porsche 718 Spyder; 2016 Porsche 918 Spyder; 2023 Porsche Carrera; 2023 Porsche Carrera 4; 2023 Porsche Carrera 4 GTS; 2023 Porsche Carrera 4S; 2023 Porsche Carrera GTS; 2023 Porsche Carrera S; 2021 Porsche Cayman GT4; 2021 Porsche Cayman GTS; 2023 Porsche Edition 50 Year; 2017 Porsche Redundant Boxster; 2020 Porsche Redundant Boxster; 2021 Porsche Redundant Boxster; 2022 Porsche Redundant Boxster; 2021 Porsche Redundant Cayman; 2022 Porsche Redundant Cayman; 2023 Porsche Redundant Cayman GT4; 2022 Porsche Redundant Cayman GTS.

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

Common questions

Source: NHTSA, 49 CFR 579.5

Is Porsche 13/26 a recall?

No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.

Is the 13/26 repair free?

Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.

Which vehicles does 13/26 cover?

The manufacturer filed it against 93 model years: 2025 Porsche 718, 2024 Porsche 718, 2023 Porsche 718, 2022 Porsche 718, 2021 Porsche 718, 2020 Porsche 718 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.

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