Audi A6/A8/Q7/Q8/S6/S8, Porsche Cayenne AC Condenser 4M0816421B
OEM Part #: 4M0-816-421-B (4M0816421B)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other AC Condenser that may fit your vehicle
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AC Condenser for Audi models including A8, Q7, Q8, S6, and S7, applicable for years 2016 to 2023. This front-mounted unit is essential for the air conditioning system, facilitating the cooling process by dissipating heat from the refrigerant. Compatible with engines 2.0L L4, 3.0L V6, and 2.9L V6 variants. Directly replaces worn or inefficient condensers, addressing common issues such as reduced cooling performance. Fits several configurations including A8 Quattro, Q7 Premium, and Q8 Prestige trims. Interchangeable with part numbers 4M0816411B, 4M0816411N, and 4M0816421B for enhanced compatibility. Includes integrated A/C receiver drier for optimal function.
Specifications
| Fits Vehicle Model | A6, A8, Cayenne, Q7, Q8, S6, S8 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 4M0-816-421-B (4M0816421B) |
| Compatible OEM Part No | 4M0-816-411-B, 4M0-816-411-N |
| Category | Air Conditioning |
Compatible Vehicles
Fits 68 vehicle configurations across 2 makes, 2017-2024.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 68 vehicle configurations — 45 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2017 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 05/27/22 |
| 2018 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2018 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 05/27/22 |
| 2019 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2019 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2019 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 05/27/22 |
| 2020 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2020 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2021 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2022 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2019 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2019 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2020 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2020 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2021 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2021 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2022 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2022 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2019 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2019 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2019 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2019 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2020 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2020 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2020 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2020 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2020 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2020 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2020 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2021 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2021 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2021 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2021 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2021 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2021 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2021 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2021 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2022 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2022 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2022 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2022 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2022 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2022 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2022 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2023 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2023 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2023 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2023 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2023 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2023 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2023 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2023 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles With Production date Up To 05/27/22 |
| 2018 | Porsche | Cayenne | S SUV | 3.0L V6 Supercharged | |
| 2023 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2023 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2024 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 3.0L V6 Turbo |