2019-2024 Audi A6/S6 AC Hose / Line / Pipe 4K1816720AC
OEM Part #: 4K1-816-720-AC (4K1816720AC)
Actual photo
The exact part you’ll receive — not a stock photo.
$35.49
Used
Donor2019 Audi A6 · 3.0L
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Genuine OEM Used
SKU: 567489
Donor Vehicle: 2019 Audi A6 · 3.0L
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$35.49
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Used OEM Audi AC hose / line / pipe with part number 4K1816720AC, also superseding 4K1816720AG and 4K1816720AB. This genuine component circulates refrigerant through the A/C system; a cracked or leaking hose can result in weak or no cooling, often due to age or road debris impact. Designed for Audi models equipped with 2.0L, 2.9L, and 3.0L turbocharged and mild hybrid engines.
Specifications
| Fits Vehicle Model | A6, S6 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4K1-816-720-AC (4K1816720AC) |
| Compatible OEM Part No | 4K1-816-720-AG, 4K1-816-720-AB |
| Category | Air Conditioning |
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 After 10/01/18 |
| 2020 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2024 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2024 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2024 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2021 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2023 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2022 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2020 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2021 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2023 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2020 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2023 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2019 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2021 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2022 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 10/01/18 |
| 2022 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 10/01/18 |