Audi A4/A5/S4/S5 AC Hose / Line / Pipe 8W0816721A

OEM Part #: 8W0-816-721-A (8W0816721A)

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This OEM AC discharge hose (part number 8W0816721A) is designed specifically for a range of Audi models, including the 2023 RS5 and RS5 Sportback with the 2.9L V6 engine. Located at the front of the vehicle, this crucial component ensures efficient refrigerant flow throughout the air conditioning system, enabling optimal cooling performance. It addresses common issues such as leaks or reduced AC functionality caused by wear, damage, or malfunction. This part may also be known as the Front Press Hose, making it essential for maintaining climate control in compatible vehicles. Restore your AC’s effectiveness with this genuine, factory-original component sourced from reliable donor vehicles.

Specifications

Specifications for AC Hose / Line / Pipe 8W0816721A
Fits Vehicle ModelA4, A5, S4, S5
Fits Vehicle MakeAudi
OEM Part No8W0-816-721-A (8W0816721A)
CategoryAir Conditioning

Compatible Vehicles

Fits 41 vehicle configurations across 1 make, 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.

Audi

  • A4 2017-2024 · 12 variants
  • A5 2017-2024 · 11 variants 3 with notes
  • S4 2018-2024 · 7 variants
  • S5 2017-2024 · 11 variants 3 with notes
View all 41 vehicle configurations 6 with fitment notes
Full vehicle fitment list for AC Hose / Line / Pipe 8W0816721A
Year Make Model Trim Engine Note
2017 Audi A4 Sedan 2.0L l4 Turbo
2017 Audi A4 Quattro Sedan 2.0L l4 Turbo
2017 Audi A5 Quattro Convertible 2.0L l4 Turbo
2017 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles With Production date Up To 11/13/17
2017 Audi S5 Convertible 3.0L V6 Supercharged
2017 Audi S5 Coupe 3.0L V6 Supercharged For Vehicles With Production date Up To 11/13/17
2018 Audi A4 Sedan 2.0L l4 Turbo
2018 Audi A4 Quattro Sedan 2.0L l4 Turbo
2018 Audi A5 Quattro Convertible 2.0L l4 Turbo
2018 Audi A5 Quattro Coupe 2.0L l4 Turbo For Vehicles With Production date Up To 11/13/17
2018 Audi A5 Hatchback 2.0L l4 Turbo For Vehicles With Production date Up To 11/13/17
2018 Audi S4 Sedan 3.0L V6 Turbo
2018 Audi S5 Convertible 3.0L V6 Turbo
2018 Audi S5 Coupe 3.0L V6 Turbo For Vehicles With Production date Up To 11/13/17
2018 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles With Production date Up To 11/13/17
2019 Audi A4 Sedan 2.0L l4 Turbo
2019 Audi A4 Quattro Sedan 2.0L l4 Turbo
2019 Audi A5 Quattro Convertible 2.0L l4 Turbo
2019 Audi S4 Sedan 3.0L V6 Turbo
2019 Audi S5 Convertible 3.0L V6 Turbo
2020 Audi A4 Sedan 2.0L l4 Turbo
2020 Audi A4 Quattro Sedan 2.0L l4 Turbo
2020 Audi A5 Quattro Convertible 2.0L l4 Turbo
2020 Audi S4 Sedan 3.0L V6 Turbo
2020 Audi S5 Convertible 3.0L V6 Turbo
2021 Audi S4 Sedan 3.0L V6 Turbo
2021 Audi S5 Convertible 3.0L V6 Turbo
2022 Audi S4 Sedan 3.0L V6 Turbo
2022 Audi S5 Convertible 3.0L V6 Turbo
2021 Audi A4 Quattro Sedan 2.0L l4 Turbo
2021 Audi A5 Quattro Convertible 2.0L l4 Turbo
2022 Audi A4 Quattro Sedan 2.0L l4 Turbo
2022 Audi A5 Quattro Convertible 2.0L l4 Turbo
2023 Audi A4 Quattro Sedan 2.0L l4 Turbo
2023 Audi A5 Quattro Convertible 2.0L l4 Turbo
2023 Audi S4 Sedan 3.0L V6 Turbo
2023 Audi S5 Convertible 3.0L V6 Turbo
2024 Audi A4 Quattro Sedan 2.0L l4 Turbo
2024 Audi A5 Quattro Convertible 2.0L l4 Turbo
2024 Audi S4 Sedan 3.0L V6 Turbo
2024 Audi S5 Convertible 3.0L V6 Turbo

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