2017-2024 Audi / Porsche AC Hose / Line / Pipe 4M1820740K
OEM Part #: 4M1-820-740-K (4M1820740K)
Actual photo
The exact part you’ll receive — not a stock photo.
$47.49
Used
Donor2018 Audi Q7 · 3.0L · 58k miles
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4 Available — Select Your Part:
Genuine OEM Used
SKU: 571765
Donor Vehicle: 2018 Audi Q7 · 3.0L · 58k miles
5 photos
$47.49
30-Day Returns
Genuine OEM Used
SKU: 607439
Donor Vehicle: 2017 Audi Q7 · 3.0L
5 photos
$47.49
30-Day Returns
Genuine OEM Used
SKU: 705168
Donor Vehicle: 2017 Audi Q7 · 3.0L
5 photos
$47.99
30-Day Returns
Genuine OEM Used
SKU: 692961
Donor Vehicle: 2017 Audi Q7 · 2.0L
5 photos
$47.99
30-Day Returns
- Genuine OEM — real photos
- 30-day returns on eligible parts
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A used OEM AC hose/line/pipe, part number 4M1820740K, from a donor vehicle. This component carries the refrigerant between the compressor and condenser in the air conditioning system. A failing AC line can cause a loss of cooling performance or a visible refrigerant leak, often at the crimped connection or where the aluminum tube has been abraded. This genuine part is pulled from one of the following vehicles: Audi Q7, Q8, RS Q8, or Porsche Cayenne.
Specifications
| Fits Vehicle Model | Cayenne, Q7, Q8, RS Q8 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 4M1-820-740-K (4M1820740K) |
| Category | Air Conditioning |
Compatible Vehicles
Fits 80 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 80 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2021 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | S Coupe SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2021 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2021 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2024 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2018 | Porsche | Cayenne | S SUV | 3.0L V6 Supercharged | |
| 2019 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2019 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2019 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2020 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2020 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2023 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2022 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2022 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2022 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2023 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2022 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2023 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2024 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2023 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2022 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2021 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2021 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2019 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2019 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2020 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2017 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2017 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2018 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2018 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2019 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2020 | Audi | Q7 | SUV | 3.0L V6 Turbo |