2017-2024 Audi / Porsche AC Evaporator Housing Sealing Cap / Cover 4M0820751

OEM Part #: 4M0-820-751 (4M0820751)

$13.71
Used
Donor2018 Audi S4 · 3.0L · 63k miles
SKU: 542967 · 30-Day Returns
✓ Free Same Day Shipping on orders by noon CT
4 Available — Select Your Part:
AC Evaporator Housing Sealing Cap / Cover 4M0820751 — Used (SKU 542967)
Genuine OEM Used SKU: 542967 Donor Vehicle: 2018 Audi S4 · 3.0L · 63k miles 2 photos
$13.71
30-Day Returns
AC Evaporator Housing Sealing Cap / Cover 4M0820751 — Used (SKU 536045)
Genuine OEM Used SKU: 536045 Donor Vehicle: 2022 Audi A4 · 2.0L · 11k miles 3 photos
$13.71
30-Day Returns
AC Evaporator Housing Sealing Cap / Cover 4M0820751 — Used (SKU 566892)
Genuine OEM Used SKU: 566892 Donor Vehicle: 2019 Audi A6 · 3.0L 2 photos
$13.71
30-Day Returns
AC Evaporator Housing Sealing Cap / Cover 4M0820751 — Used (SKU 588834)
Genuine OEM Used SKU: 588834 Donor Vehicle: 2018 Audi Q7 · 3.0L 2 photos
$13.71
30-Day Returns
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
  • Ships from our own indoor warehouse

This used OEM Audi AC Evaporator Housing Sealing Cap / Cover (part number 4M0820751) is a genuine replacement cap for the evaporator housing, also known simply as a cover. It directly replaces part 80A820751. Its job is to seal the AC evaporator housing, keeping moisture, dirt, and debris out of the system. A broken or missing cap can lead to refrigerant leaks or reduced cooling performance.

Specifications

Specifications for AC Evaporator Housing Sealing Cap / Cover 4M0820751
Fits Vehicle ModelA4, A5, A6, A8, Cayenne, e-tron, e-tron S, Q5, Q5 PHEV, Q7, Q8, RS Q8, RS5, S4, S5, S6, S8, SQ5
Fits Vehicle MakeAudi, Porsche
OEM Part No4M0-820-751 (4M0820751)
Compatible OEM Part No 80A-820-751
CategoryAir Conditioning

Compatible Vehicles

Fits 217 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.

Audi

  • A4 2017-2024 · 12 variants
  • A5 2017-2024 · 23 variants
  • A6 2019-2024 · 12 variants
  • A8 2019-2024 · 9 variants
  • Q5 2018-2024 · 7 variants
  • Q5 PHEV 2020-2024 · 5 variants
  • Q7 2017-2024 · 16 variants 12 with notes
  • Q8 2019-2024 · 6 variants 4 with notes
  • RS Q8 2020-2024 · 5 variants 5 with notes
  • RS5 2018-2024 · 11 variants
  • S4 2018-2024 · 7 variants
  • S5 2017-2024 · 23 variants
  • S6 2020-2024 · 5 variants
  • S8 2020-2024 · 5 variants
  • SQ5 2018-2024 · 7 variants
  • e-tron 2020-2023 · 4 variants
  • e-tron S 2022-2023 · 2 variants

Porsche

View all 217 vehicle configurations — 21 with fitment notes
Full vehicle fitment list for AC Evaporator Housing Sealing Cap / Cover 4M0820751
Year Make Model Trim Engine Note
2019 Audi A6 Quattro Sedan 2.0L l4 Turbo
2020 Audi A6 Quattro Sedan 2.0L l4 Turbo
2023 Porsche Cayenne S Coupe SUV 2.9L V6 Turbo
2022 Porsche Cayenne SUV 3.0L V6 Turbo
2024 Porsche Cayenne SUV 3.0L V6 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
2021 Porsche Cayenne S SUV 2.9L V6 Turbo
2020 Porsche Cayenne S SUV 2.9L V6 Turbo
2021 Porsche Cayenne Turbo S SUV 4.0L V8 Turbo
2021 Porsche Cayenne Turbo Coupe SUV 4.0L V8 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
2020 Porsche Cayenne Turbo S Coupe SUV 4.0L V8 Turbo
2020 Porsche Cayenne SUV 3.0L V6 Turbo
2022 Porsche Cayenne S SUV 2.9L V6 Turbo
2019 Porsche Cayenne SUV 3.0L V6 Turbo
2018 Porsche Cayenne SUV 3.6L V6
2018 Porsche Cayenne S SUV 3.6L V6 Turbo
2018 Porsche Cayenne Turbo SUV 4.8L V8 Turbo
2018 Porsche Cayenne GTS SUV 3.6L V6 Turbo
2018 Porsche Cayenne S SUV 3.0L V6 Supercharged
2018 Porsche Cayenne Turbo S SUV 4.8L V8 Turbo
2019 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2019 Porsche Cayenne S SUV 2.9L V6 Turbo
2020 Porsche Cayenne Coupe SUV 3.0L V6 Turbo
2020 Porsche Cayenne S Coupe SUV 2.9L V6 Turbo
2020 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2020 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2020 Porsche Cayenne Turbo S SUV 4.0L V8 Turbo
2023 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2022 Porsche Cayenne S Coupe SUV 2.9L V6 Turbo
2023 Porsche Cayenne S SUV 2.9L V6 Turbo
2021 Porsche Cayenne SUV 3.0L 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
2022 Porsche Cayenne Turbo GT Coupe SUV 4.0L V8 Turbo
2022 Porsche Cayenne Turbo 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
2023 Porsche Cayenne Turbo S Coupe SUV 4.0L V8 Turbo
2021 Porsche Cayenne Coupe SUV 3.0L 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
2022 Audi S4 Sedan 3.0L V6 Turbo
2023 Audi S4 Sedan 3.0L V6 Turbo
2020 Audi Q5 PHEV SUV 2.0L l4 Turbo
2024 Audi S4 Sedan 3.0L V6 Turbo
2024 Audi Q5 SUV 2.0L l4 Turbo
2021 Audi Q5 PHEV SUV 2.0L l4 Turbo
2024 Audi Q5 PHEV SUV 2.0L l4 Turbo
2022 Audi Q5 PHEV SUV 2.0L l4 Turbo
2022 Audi Q5 SUV 2.0L l4 Turbo
2021 Audi Q5 SUV 2.0L l4 Turbo
2023 Audi Q5 SUV 2.0L l4 Turbo
2023 Audi Q5 PHEV SUV 2.0L l4 Turbo
2021 Audi S4 Sedan 3.0L V6 Turbo
2024 Audi S8 Sedan 4.0L V8 Turbo
2024 Audi S5 Convertible 3.0L V6 Turbo
2024 Audi Q8 SUV 3.0L V6 Turbo
2024 Audi SQ5 SUV 3.0L V6 Turbo
2022 Audi S5 Hatchback 3.0L V6 Turbo
2024 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2024 Audi A4 Quattro Sedan 2.0L l4 Turbo
2024 Audi A5 Quattro Convertible 2.0L l4 Turbo
2024 Audi Q7 SUV 2.0L l4 Turbo
2019 Audi S5 Hatchback 3.0L V6 Turbo
2021 Audi S5 Hatchback 3.0L V6 Turbo
2024 Audi A6 Quattro Sedan 3.0L V6 Turbo
2018 Audi S5 Hatchback 3.0L V6 Turbo
2020 Audi S5 Hatchback 3.0L V6 Turbo
2024 Audi Q7 SUV 3.0L V6 Turbo
2024 Audi A5 Quattro Coupe 2.0L l4 Turbo
2024 Audi S5 Hatchback 3.0L V6 Turbo
2024 Audi S5 Coupe 3.0L V6 Turbo
2024 Audi RS Q8 SUV 4.0L V8 Turbo For Vehicles With Production date Up To 06/19/23
2024 Audi RS5 Hatchback 2.9L V6 Turbo
2023 Audi S5 Hatchback 3.0L V6 Turbo
2024 Audi A6 Quattro Sedan 2.0L l4 Turbo
2024 Audi A5 Hatchback 2.0L l4 Turbo
2024 Audi S6 Sedan 2.9L V6 Turbo
2024 Audi RS5 Coupe 2.9L V6 Turbo
2020 Audi A4 Sedan 2.0L l4 Turbo
2023 Audi SQ5 SUV 3.0L V6 Turbo
2020 Audi SQ5 SUV 3.0L V6 Turbo
2020 Audi Q7 SUV 3.0L V6 Turbo For Vehicles With Production date Up To 06/19/23
2020 Audi S5 Convertible 3.0L V6 Turbo
2023 Audi A5 Hatchback 2.0L l4 Turbo
2020 Audi Q5 SUV 2.0L l4 Turbo
2022 Audi RS5 Coupe 2.9L V6 Turbo
2021 Audi A5 Quattro Convertible 2.0L l4 Turbo
2022 Audi RS5 Hatchback 2.9L V6 Turbo
2022 Audi Q7 SUV 3.0L V6 Turbo For Vehicles With Production date Up To 06/19/23
2022 Audi A5 Quattro Coupe 2.0L l4 Turbo
2023 Audi RS5 Coupe 2.9L V6 Turbo
2023 Audi RS Q8 SUV 4.0L V8 Turbo For Vehicles With Production date Up To 06/19/23
2020 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2022 Audi A4 Quattro Sedan 2.0L l4 Turbo
2022 Audi A5 Hatchback 2.0L l4 Turbo
2021 Audi Q7 SUV 2.0L l4 Turbo For Vehicles With Production date Up To 06/19/23
2022 Audi A5 Quattro Convertible 2.0L l4 Turbo
2021 Audi A6 Quattro Sedan 3.0L V6 Turbo
2018 Audi Q5 SUV 2.0L l4 Turbo
2023 Audi S5 Coupe 3.0L V6 Turbo
2019 Audi A8 Quattro L Sedan 4.0L V8 Turbo
2021 Audi A4 Quattro Sedan 2.0L l4 Turbo
2023 Audi S5 Convertible 3.0L V6 Turbo
2019 Audi A5 Hatchback 2.0L l4 Turbo
2020 Audi A4 Quattro Sedan 2.0L l4 Turbo
2021 Audi S6 Sedan 2.9L V6 Turbo
2023 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2024 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2022 Audi A6 Quattro Sedan 3.0L V6 Turbo
2022 Audi SQ5 SUV 3.0L V6 Turbo
2023 Audi A4 Quattro Sedan 2.0L l4 Turbo
2020 Audi S4 Sedan 3.0L V6 Turbo
2021 Audi A5 Hatchback 2.0L l4 Turbo
2022 Audi S5 Coupe 3.0L V6 Turbo
2022 Audi Q7 SUV 2.0L l4 Turbo For Vehicles With Production date Up To 06/19/23
2022 Audi e-tron S SUV Electric Vehicle
2023 Audi A6 Quattro Sedan 3.0L V6 Turbo
2019 Audi S5 Convertible 3.0L V6 Turbo
2020 Audi Q8 SUV 3.0L V6 Turbo For Vehicles With Production date Up To 06/19/23
2022 Audi S5 Convertible 3.0L V6 Turbo
2023 Audi A5 Quattro Convertible 2.0L l4 Turbo
2023 Audi Q7 SUV 3.0L V6 Turbo
2020 Audi S8 Sedan 4.0L V8 Turbo
2020 Audi A5 Hatchback 2.0L l4 Turbo
2021 Audi RS5 Hatchback 2.9L V6 Turbo
2020 Audi A5 Quattro Coupe 2.0L l4 Turbo
2023 Audi S6 Sedan 2.9L V6 Turbo
2021 Audi S5 Convertible 3.0L V6 Turbo
2019 Audi A5 Quattro Coupe 2.0L l4 Turbo
2020 Audi A5 Quattro Convertible 2.0L l4 Turbo
2021 Audi A8 Quattro L Sedan 4.0L V8 Turbo
2021 Audi Q8 SUV 3.0L V6 Turbo For Vehicles With Production date Up To 06/19/23
2023 Audi Q7 SUV 2.0L l4 Turbo
2020 Audi A6 Quattro Sedan 3.0L V6 Turbo
2019 Audi A5 Quattro Convertible 2.0L l4 Turbo
2021 Audi A5 Quattro Coupe 2.0L l4 Turbo
2021 Audi S8 Sedan 4.0L V8 Turbo
2021 Audi S5 Coupe 3.0L V6 Turbo
2021 Audi SQ5 SUV 3.0L V6 Turbo
2022 Audi Q8 SUV 3.0L V6 Turbo For Vehicles With Production date Up To 06/19/23
2022 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2023 Audi A5 Quattro Coupe 2.0L l4 Turbo
2020 Audi S6 Sedan 2.9L V6 Turbo
2020 Audi S5 Coupe 3.0L V6 Turbo
2020 Audi A8 Quattro L Sedan 4.0L V8 Turbo
2021 Audi Q7 SUV 3.0L V6 Turbo For Vehicles With Production date Up To 06/19/23
2023 Audi RS5 Hatchback 2.9L V6 Turbo
2021 Audi e-tron SUV Electric Vehicle
2023 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2023 Audi A6 Quattro Sedan 2.0L l4 Turbo
2021 Audi RS Q8 SUV 4.0L V8 Turbo For Vehicles With Production date Up To 06/19/23
2020 Audi Q7 SUV 2.0L l4 Turbo For Vehicles With Production date Up To 06/19/23
2022 Audi S8 Sedan 4.0L V8 Turbo
2019 Audi S5 Coupe 3.0L V6 Turbo
2021 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2023 Audi e-tron SUV Electric Vehicle
2019 Audi S4 Sedan 3.0L V6 Turbo
2022 Audi e-tron SUV Electric Vehicle
2020 Audi RS Q8 SUV 4.0L V8 Turbo For Vehicles With Production date Up To 06/19/23
2019 Audi SQ5 SUV 3.0L V6 Turbo
2023 Audi e-tron S SUV Electric Vehicle
2023 Audi Q8 SUV 3.0L V6 Turbo
2019 Audi A6 Quattro Sedan 3.0L V6 Turbo
2019 Audi Q8 SUV 3.0L V6 Turbo For Vehicles With Production date Up To 06/19/23
2019 Audi A4 Quattro Sedan 2.0L l4 Turbo
2019 Audi Q5 SUV 2.0L l4 Turbo
2018 Audi A5 Hatchback 2.0L l4 Turbo
2018 Audi A5 Quattro Convertible 2.0L l4 Turbo
2018 Audi A5 Quattro Coupe 2.0L l4 Turbo
2019 Audi Q7 SUV 3.0L V6 Supercharged For Vehicles With Production date Up To 06/19/23
2019 Audi A4 Sedan 2.0L l4 Turbo
2019 Audi RS5 Hatchback 2.9L V6 Turbo
2019 Audi RS5 Coupe 2.9L V6 Turbo
2018 Audi S4 Sedan 3.0L V6 Turbo
2021 Audi RS5 Coupe 2.9L V6 Turbo
2018 Audi S5 Coupe 3.0L V6 Turbo
2018 Audi S5 Convertible 3.0L V6 Turbo
2017 Audi S5 Coupe 3.0L V6 Supercharged
2017 Audi A5 Quattro Convertible 2.0L l4 Turbo
2017 Audi A4 Sedan 2.0L l4 Turbo
2017 Audi A4 Quattro Sedan 2.0L l4 Turbo
2017 Audi S5 Convertible 3.0L V6 Supercharged
2017 Audi A5 Quattro Coupe 2.0L l4 Turbo
2017 Audi Q7 SUV 3.0L V6 Supercharged For Vehicles With Production date Up To 06/19/23
2017 Audi Q7 SUV 2.0L l4 Turbo For Vehicles With Production date Up To 06/19/23
2018 Audi RS5 Coupe 2.9L V6 Turbo
2018 Audi SQ5 SUV 3.0L V6 Turbo
2018 Audi Q7 SUV 3.0L V6 Supercharged For Vehicles With Production date Up To 06/19/23
2018 Audi Q7 SUV 2.0L l4 Turbo For Vehicles With Production date Up To 06/19/23
2018 Audi A4 Quattro Sedan 2.0L l4 Turbo
2018 Audi A4 Sedan 2.0L l4 Turbo
2019 Audi Q7 SUV 2.0L l4 Turbo For Vehicles With Production date Up To 06/19/23
2021 Audi A6 Quattro Sedan 2.0L l4 Turbo
2019 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2022 Audi RS Q8 SUV 4.0L V8 Turbo For Vehicles With Production date Up To 06/19/23
2022 Audi A6 Quattro Sedan 2.0L l4 Turbo
2022 Audi S6 Sedan 2.9L V6 Turbo
2023 Audi S8 Sedan 4.0L V8 Turbo
2020 Audi e-tron SUV Electric Vehicle

Ask a parts specialist

Asking about: AC Evaporator Housing Sealing Cap / Cover 4M0820751 · OEM #4M0820751