Audi Thermostat Part Number Change: SM 11-2022
Audi has issued Special Notice SM 11-2022 regarding a change in thermostat part numbers. Older versions 0P2-121-115-A and 0P2-121-115-B are being replaced by 0P2-121-115-C. Dealers must return old stock by February 28, 2022.

Also applies to
- Audi Q7
- 2021–2022
- Audi Q8
- 2022
- Audi RS 6 Avant
- 2021–2022
- Audi RS 7
- 2021–2022
- Audi RS Q8
- 2021–2022
Audi has released Special Notice SM 11-2022, a parts circular dated February 4, 2022, addressing an important update concerning thermostat part numbers. This notice is primarily directed at parts managers and inventory personnel, outlining procedures for managing existing stock and ordering new components. The goal is to ensure that customers receive the most current and correct parts for their vehicles, impacting the Audi thermostat part number available for service.
This special notice impacts various 2021-2022 Audi models, including the Q8, RS 7, RS Q8, Q7, and RS 6 Avant. The change ensures that all new thermostat installations utilize the latest design, potentially offering improved performance or reliability.
Affected Thermostat Part Numbers
This notice specifically identifies two older thermostat part numbers that dealers are instructed to return:
- 0P2-121-115-A (Thermostat)
- 0P2-121-115-B (Thermostat)
These older parts are being superseded by a new Audi thermostat part number, which should be used for all future orders:
- 0P2-121-115-C (Thermostat)
Important Warnings for Parts Returns
Audi has issued a strict deadline for the return of the older thermostat inventory. Dealers must return their stock of 0P2-121-115-A and 0P2-121-115-B to their facing Parts Distribution Center (PDC) no later than February 28, 2022. It is crucial to adhere to this deadline, as the notice explicitly states: "Items returned after the above-mentioned date WILL NOT be accepted on any type of return/buyback."
Dealer Return Procedure for Inventory
To ensure proper credit and a smooth transition, Audi has outlined specific claims procedures for dealers to follow when returning the older thermostat part number inventory. These steps are essential for managing the supply chain effectively:
- File a Claim: Dealers must file a separate "Claim with Return." During this process, they should select "Dir Sup. Req. Return" under the item type and complete their dealer comments, referencing the Special Notice Number SM 11-2022 and the Parts Circular number.
- Review Delivery List: The day after filing the claim, dealers are required to review "Parts On Command" for the Delivery List document. Any problems or delays encountered during this step should be immediately communicated to their facing PDC.
- Labeling: Dealers must enter their specific 40000XXXXX delivery document number onto a "YELLOW DEPOT REQUEST RETURN" label.
- Adhere Labels: The "YELLOW DEPOT REQUEST RETURN" label must be securely adhered to the package(s) containing the returned thermostat parts.
- Include Documentation: One copy of the Delivery Document must be included within the package(s) of the returned parts.
Re-ordering New Materials
Once the older inventory has been returned, dealers are instructed to re-order any required new materials using the updated Audi thermostat part number, 0P2-121-115-C. This ensures that all new stock aligns with the latest specifications and that customers receive the most current version of the part.
What This Means for Owners
For owners of affected 2021-2022 Audi models, this Special Notice SM 11-2022 indicates a proactive measure by Audi to update its parts inventory. If your vehicle requires a thermostat replacement, your dealer will install the latest available component, 0P2-121-115-C, ensuring you receive the most current design for your Audi thermostat part number.
Source: NHTSA ID: 10207838
Frequently Asked Questions
- What is Audi Special Notice SM 11-2022 about?
- Audi Special Notice SM 11-2022 is a parts circular that informs dealers about a change in thermostat part numbers. It instructs them to return older thermostat parts (0P2-121-115-A and 0P2-121-115-B) and re-order the new, updated part (0P2-121-115-C).
- Which Audi thermostat part numbers are affected by SM 11-2022?
- The older thermostat part numbers 0P2-121-115-A and 0P2-121-115-B are being replaced. The new, superseding Audi thermostat part number is 0P2-121-115-C.
- What is the deadline for dealers to return old thermostat parts?
- Dealers must return their inventory of the older thermostat part numbers (0P2-121-115-A and 0P2-121-115-B) to their Parts Distribution Center (PDC) no later than February 28, 2022. Returns after this date will not be accepted for credit or buyback.
- What does this Audi thermostat part number change mean for my vehicle?
- This change ensures that if your 2021-2022 Audi Q8, RS 7, RS Q8, Q7, or RS 6 Avant requires a thermostat replacement, your dealer will install the most current and potentially improved part, identified as 0P2-121-115-C.
Related Articles
2021-2025 Audi Engine Control Module Software Update 53ZC
Audi has issued an update to its Engine Control Module (ECM) software campaign 53ZC / WARR EXT – U82, dated March 20, 2026. This dealer communication indicates that additional vehicles have been added to the affected chart for this important software update. Owners of 2021-2025 Audi Q8, A7, A6…
2021-2025 Audi Fuel System DTCs P014800 and P008700
Audi Technical Service Bulletin (TSB) 2079461/3 details diagnostic and repair procedures for 2021-2025 Audi vehicles experiencing a 'MIL light on' or 'limp-home function' due to fuel system DTCs P014800 or P008700. This bulletin guides technicians on diagnosing and potentially replacing the…
2021-2025 Audi Black Trim Discoloration TSB
Audi has issued Technical Service Bulletin 2078651/4 to address red, purple, gray, or metallic discoloration on black exterior trim strips in 2021-2025 Audi models. This TSB explains the cause (paint UV resistance issue) and outlines the replacement procedure for affected components.
2021 Audi Virtual Cockpit Display Fault TSB 2078439/2
Audi TSB 2078439/2 addresses issues with the virtual cockpit display in 2021 A6, A7, A8, Q7, Q8 models, including a black screen or "Instrument cluster: fault" message, often accompanied by DTC B200049.
2021-2026 Audi TFSI Engine Oil Leak TSB 2053278/10
Audi has released Technical Service Bulletin 2053278/10 to address oil leaks from the cylinder head on 2.9 and 3.0 TFSI engines in various 2021-2026 models. Learn about symptoms, diagnosis, and the recommended repair process.
Leave a comment
Comments are moderated and may take a moment to appear. Only your first name and the initial of your last name are shown publicly.
Comments
Be the first to comment.