2019-2024 Audi A6/S6 Cabin Air Intake / HVAC Duct 4K1819904D
OEM Part #: 4K1-819-904-D (4K1819904D)
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The exact part you’ll receive — not a stock photo.
$23.49
Used
Donor2019 Audi A6 · 3.0L
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Genuine OEM Used
SKU: 566855
Donor Vehicle: 2019 Audi A6 · 3.0L
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$23.49
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Used genuine OEM Audi cabin air intake / HVAC duct, part number 4K1819904D. This duct channels fresh outside air into the vehicle's HVAC system for cabin ventilation. It supersedes original part numbers 4K1819904C and 4K1819904A. A cracked or damaged intake can allow debris or water into the blower motor, reducing airflow or causing odors.
Specifications
| Fits Vehicle Model | A6, S6 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4K1-819-904-D (4K1819904D) |
| Compatible OEM Part No | 4K1-819-904-C, 4K1-819-904-A |
| Category | HVAC / Climate Control |
Compatible Vehicles
Fits 17 vehicle configurations across 1 make, 2019-2024.
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 17 vehicle configurations — 17 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2019 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 04/12/21 |
| 2020 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 04/12/21 |
| 2024 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2024 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2024 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2021 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2022 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2023 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2023 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2023 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2021 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2021 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2022 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2022 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date Between 04/12/21 and 05/15/23 |
| 2020 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles With Production date Up To 04/12/21 |
| 2020 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 04/12/21 |
| 2019 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 04/12/21 |