2017-2026 Audi Blower Motor / Fan 4M0820021
OEM Part #: 4M0-820-021 (4M0820021)
Actual photo
The exact part you’ll receive — not a stock photo.
$42.99
Used
Donor2018 Audi Q7 · 3.0L · 45k miles
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Genuine OEM Used
SKU: 505702
Donor Vehicle: 2018 Audi Q7 · 3.0L · 45k miles
2 photos
$42.99
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Genuine OEM Used
SKU: 532269
Donor Vehicle: 2017 Audi Q7 · 3.0L
2 photos
$42.99
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Genuine OEM Used
SKU: 615917
Donor Vehicle: 2018 Audi Q7 · 3.0L
2 photos
$45.99
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Genuine OEM Used
SKU: 701414
Donor Vehicle: 2021 Audi SQ8 · 4.0L · 47k miles
2 photos
$49.99
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A used Audi Blower Motor / Fan with OEM part number 4M0820021, also replacing 4M1820021, 4M1820021A, and 4M1820021B. This genuine component is responsible for moving air through the vehicle's HVAC system, controlling cabin heating and cooling. When the blower motor fails, common symptoms include no airflow from the vents, a noisy or rattling fan, or intermittent operation. This unit was removed from a late-model Audi and is ready for installation.
Specifications
| Fits Vehicle Model | A4, A4 allroad, A5, A6, A6 allroad, A7, A8, e-tron, e-tron S, Q5, Q5 PHEV, Q7, Q8, Q8 e-tron, RS Q8, RS5, RS6, RS7, S4, S5, S6, S7, S8, SQ5, SQ7, SQ8, SQ8 e-tron |
| Fits Vehicle Make | Audi |
| OEM Part No | 4M0-820-021 (4M0820021) |
| Compatible OEM Part No | 4M1-820-021, 4M1-820-021-A, 4M1-820-021-B |
| Category | HVAC / Climate Control |
Compatible Vehicles
Fits 239 vehicle configurations across 1 make, 2017-2026.
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 239 vehicle configurations — 13 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2025 | Audi | A5 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2025 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2026 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2026 | Audi | SQ5 | SUV | 3.0L V6 Turbo | |
| 2025 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2019 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2024 | Audi | A7 | Hatchback | 3.0L V6 Turbo | |
| 2024 | Audi | S7 | Hatchback | 2.9L V6 Turbo | |
| 2024 | Audi | S6 | Sedan | 2.9L V6 Turbo | |
| 2020 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2019 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2020 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2024 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | |
| 2020 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2023 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2024 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2024 | Audi | SQ5 | SUV | 3.0L V6 Turbo | |
| 2024 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | |
| 2020 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2023 | Audi | e-tron S | SUV | Electric Vehicle | |
| 2023 | Audi | A6 allroad | Wagon | 3.0L V6 Turbo | |
| 2023 | Audi | e-tron | SUV | Electric Vehicle | |
| 2023 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2023 | Audi | S7 | Hatchback | 2.9L V6 Turbo | |
| 2023 | Audi | S6 | Sedan | 2.9L V6 Turbo | |
| 2023 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2023 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | |
| 2023 | Audi | A7 | Hatchback | 3.0L V6 Turbo | |
| 2024 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2024 | Audi | A6 allroad | Wagon | 3.0L V6 Turbo | |
| 2024 | Audi | Q8 e-tron | SUV | Electric Vehicle | |
| 2021 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2020 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2020 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2023 | Audi | e-tron | Quattro SUV | Electric Vehicle | |
| 2026 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2021 | Audi | A7 | Hatchback | 3.0L V6 Turbo | |
| 2020 | Audi | A7 | Hatchback | 3.0L V6 Turbo | |
| 2020 | Audi | A6 allroad | Wagon | 3.0L V6 Turbo | |
| 2020 | Audi | S7 | Hatchback | 2.9L V6 Turbo | |
| 2021 | Audi | A6 allroad | Wagon | 3.0L V6 Turbo | |
| 2021 | Audi | S7 | Hatchback | 2.9L V6 Turbo | |
| 2021 | Audi | A7 | Hatchback | 2.0L l4 Turbo | |
| 2020 | Audi | S6 | Sedan | 2.9L V6 Turbo | |
| 2021 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2022 | Audi | S7 | Hatchback | 2.9L V6 Turbo | |
| 2022 | Audi | A6 allroad | Wagon | 3.0L V6 Turbo | |
| 2020 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | |
| 2022 | Audi | SQ5 | SUV | 3.0L V6 Turbo | |
| 2019 | Audi | e-tron | Quattro SUV | Electric Vehicle | |
| 2017 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | |
| 2018 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | |
| 2019 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | |
| 2020 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | A7 | Hatchback | 3.0L V6 Turbo | |
| 2023 | Audi | SQ5 | SUV | 3.0L V6 Turbo | |
| 2022 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | |
| 2022 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2022 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | |
| 2022 | Audi | A7 | Hatchback | 2.0L l4 Turbo | |
| 2022 | Audi | A7 | Hatchback | 3.0L V6 Turbo | |
| 2022 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2021 | Audi | S6 | Sedan | 2.9L V6 Turbo | |
| 2023 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | |
| 2022 | Audi | e-tron S | SUV | Electric Vehicle | |
| 2021 | Audi | SQ5 | SUV | 3.0L V6 Turbo | |
| 2021 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | |
| 2022 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2021 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2021 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2021 | Audi | e-tron | SUV | Electric Vehicle | |
| 2021 | Audi | e-tron | Quattro SUV | Electric Vehicle | |
| 2020 | Audi | e-tron | SUV | Electric Vehicle | |
| 2022 | Audi | e-tron | Quattro SUV | Electric Vehicle | |
| 2022 | Audi | e-tron | SUV | Electric Vehicle | |
| 2026 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2025 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | |
| 2025 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2025 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2025 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2025 | Audi | S7 | Hatchback | 2.9L V6 Turbo | |
| 2024 | Audi | SQ8 e-tron | SUV | Electric Vehicle | |
| 2025 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2025 | Audi | RS6 | Wagon GT Wagon | 4.0L V8 Turbo | |
| 2025 | Audi | S6 | Sedan | 2.9L V6 Turbo | |
| 2025 | Audi | A6 allroad | Wagon | 3.0L V6 Turbo | |
| 2025 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2025 | Audi | SQ8 e-tron | SUV | Electric Vehicle | |
| 2025 | Audi | A7 | Hatchback | 3.0L V6 Turbo | |
| 2025 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | A4 allroad | Wagon | 2.0L l4 Turbo | 2017-25 |
| 2024 | Audi | Q8 | SUV | 3.0L V6 Turbo | to 09/04/2023 |
| 2025 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2025 | Audi | Q8 e-tron | SUV | Electric Vehicle | |
| 2024 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2025 | Audi | S8 | Sedan | 4.0L V8 Turbo | front |
| 2025 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | front |
| 2024 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2021 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | SQ8 | SUV | 4.0L V8 Turbo | to 06/19/2023 |
| 2021 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2023 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2021 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2024 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2023 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2021 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2021 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2022 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2022 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2023 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2022 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2024 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2024 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2024 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2021 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2022 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2023 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2022 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2024 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2020 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2023 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2023 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2024 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2024 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2022 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2022 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2022 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2023 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2024 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2021 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2023 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2022 | Audi | S6 | Sedan | 2.9L V6 Turbo | |
| 2023 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2022 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2021 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2022 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2022 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2023 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2023 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2024 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2024 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2021 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2021 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2022 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2022 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2023 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2021 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2024 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2023 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2023 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2024 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2019 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2021 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2021 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2018 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2019 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2020 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2019 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2020 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2020 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2019 | Audi | SQ5 | SUV | 3.0L V6 Turbo | |
| 2019 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | SQ5 | SUV | 3.0L V6 Turbo | |
| 2020 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2020 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2020 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2025 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2025 | Audi | SQ5 | SUV | 3.0L V6 Turbo | |
| 2025 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2024 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2019 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2023 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2022 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2020 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2018 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2019 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2018 | Audi | S5 | Hatchback | 3.0L V6 Turbo | |
| 2021 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2023 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2019 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2018 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2018 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2017 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2017 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2017 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2018 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2018 | Audi | SQ5 | SUV | 3.0L V6 Turbo | |
| 2018 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2017 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2017 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2017 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2017 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2017 | Audi | S5 | Coupe | 3.0L V6 Supercharged | |
| 2018 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2018 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2019 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2018 | Audi | S5 | Coupe | 3.0L V6 Turbo | |
| 2018 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2018 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2018 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2019 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2025 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2019 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2020 | Audi | Q7 | SUV | 3.0L V6 Turbo |