Audi / Porsche AC Evaporator 4M1820023B
OEM Part #: 4M1-820-023-B (4M1820023B)
Porsche Part #: PAB820023
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other AC Evaporator that may fit your vehicle
AC Evaporator
AC Evaporator
AC Evaporator Housing Sealing Cap / Cover
AC Evaporator Line / Pipe
Evaporator Line Base Plate
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
Enhance the climate control performance of your Audi with this genuine OEM AC Evaporator, part number 4M1820023B. This factory-original component is crucial for efficient air cooling, located in the upper front area of your vehicle. It addresses common issues such as inadequate cooling and poor cabin air quality, ensuring a refreshing atmosphere inside. Compatible with various Audi models including the A4, A5, A6, A7, A8, Q5, Q7, Q8, and RS5 from 2018 to 2024, this evaporator works with multiple engine variations including 2.0L and 3.0L options. Also known as Evaporator Core Housing, it includes the expansion valve for seamless installation. Authentic Audi part ensures perfect fit and lasting performance. --- Restore your vehicle's air conditioning system with this OEM AC Evaporator, part number 4M1820023B. Sourced from donor vehicles, this authentic part plays a pivotal role in your Audi’s climate control, efficiently cooling air before it circulates inside the cabin. It's specifically designed for 2019-2024 Audi A4, A5, A6, A7, A8, Q5, Q7, Q8, and RS5 models with engines ranging from 2.0L L4 to 4.0L V8 variants. This evaporator is commonly known as the Evaporator Core Housing and includes an expansion valve, making it a complete solution for replacing worn-out or malfunctioning units. Enjoy a factory-original fit for optimal HVAC performance. --- Maintain a comfortable cabin environment in your Audi with this genuine OEM AC Evaporator, part number 4M1820023B. Located in the upper front section of your vehicle, this evaporator effectively cools the air, resolving issues like inadequate cooling due to old or damaged components. Suitable for Audi models including A4, A6, and Q8 from 2018-2024, it accommodates various engine configurations such as 2.0L and 3.0L variants. Referred to as the Evaporator Core Housing, this part also includes an expansion valve, ensuring comprehensive functionality and reliable performance. Install this authentic part for a seamless and efficient air conditioning system. --- Upgrade your Audi's air conditioning efficiency with this authentic OEM AC Evaporator, part number 4M1820023B. Vital to the vehicle’s air cooling system, this part is expertly crafted to fit a range of models, including A4, A5, A6, Q5, and RS5 from 2018 to 2024, catering to both gas and mild hybrid engines. It helps to combat common problems like diminished cooling capacity and enhances air quality inside the cabin. Known within the industry as the Evaporator Core Housing, this component comes complete with an expansion valve, ensuring straightforward installation and reliable performance. Restore peak HVAC functionality with this factory-original replacement part. --- Ensure optimal cooling performance in your Audi with this genuine OEM AC Evaporator, part number 4M1820023B. Essential for the efficient operation of your vehicle’s climate control system, this evaporator resolves issues due to wear or damage. Compatible with 2018-2024 models such as the A4, A5, A6, A7, Q5, Q7, Q8, and RS5, it supports a variety of engines, including the 2.0L and 3.0L options. Also known as the Evaporator Core Housing, it features an integrated expansion valve, ensuring a perfect fit and functionality. Replace your old evaporator with this authentic part for renewed air conditioning effectiveness.
Specifications
| Fits Vehicle Model | A4, A5, A6, A8, Cayenne, e-tron, e-tron S, Q5, Q5 PHEV, Q7, Q8, RS Q8, RS5, S4, S5, S6, S8, SQ5 |
| Fits Vehicle Make | Audi, Porsche |
| OEM Part No | 4M1-820-023-B (4M1820023B) |
| Porsche Part No | PAB820023 |
| Compatible OEM Part No | PAB82002300, 4M1-820-023-A |
| Category | Dash Parts |
Compatible Vehicles
Fits 172 vehicle configurations across 2 makes, 2017-2024.
View all 172 vehicle configurations — 108 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2017 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/19/23 |
| 2018 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2018 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2018 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2018 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/19/23 |
| 2018 | Audi | S4 | Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2019 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2019 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2019 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2019 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles With Production date Up To 06/19/23 |
| 2019 | Audi | S4 | Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2020 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2020 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2020 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2020 | Audi | S4 | Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2021 | Audi | RS5 | Coupe | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | S4 | Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | S5 | Convertible | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | S5 | Coupe | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | S5 | Hatchback | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | SQ5 | SUV | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | Q7 | SUV | 2.0L l4 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2022 | Audi | RS5 | Coupe | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | S4 | Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | S5 | Convertible | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | S5 | Coupe | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | S5 | Hatchback | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | SQ5 | SUV | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2018 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2018 | Porsche | Cayenne | GTS SUV | 3.6L V6 Turbo | |
| 2018 | Porsche | Cayenne | S SUV | 3.6L V6 Turbo | |
| 2018 | Porsche | Cayenne | Turbo SUV | 4.8L V8 Turbo | |
| 2018 | Porsche | Cayenne | Turbo S SUV | 4.8L V8 Turbo | |
| 2019 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2019 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2019 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2020 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2020 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2020 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2021 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2021 | 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 | |
| 2021 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2022 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2022 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2022 | Porsche | Cayenne | Turbo Coupe 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 | |
| 2019 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2020 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2020 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2020 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2021 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2021 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2021 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2021 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2021 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | Q7 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2022 | Audi | Q8 | SUV | 3.0L V6 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2022 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2022 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2023 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2023 | Audi | RS5 | Coupe | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2023 | Audi | S4 | Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | S5 | Convertible | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | S5 | Coupe | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | S5 | Hatchback | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | SQ5 | SUV | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2018 | Porsche | Cayenne | S SUV | 3.0L V6 Supercharged | |
| 2020 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2020 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2021 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2022 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | Coupe SUV | 3.0L V6 Turbo | |
| 2023 | Porsche | Cayenne | GTS Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | GTS SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | S Coupe SUV | 2.9L V6 Turbo | |
| 2023 | Porsche | Cayenne | S SUV | 2.9L V6 Turbo | |
| 2023 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S Coupe SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo S SUV | 4.0L V8 Turbo | |
| 2023 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2021 | Audi | e-tron | SUV | Electric Vehicle | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | e-tron S | SUV | Electric Vehicle | For Vehicles with Production Date After 12/13/21 |
| 2022 | Audi | e-tron | SUV | Electric Vehicle | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | e-tron S | SUV | Electric Vehicle | For Vehicles with Production Date After 12/13/21 |
| 2023 | Audi | e-tron | SUV | Electric Vehicle | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | Q7 | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | Q7 | SUV | 3.0L V6 Turbo | |
| 2024 | Audi | Q8 | SUV | 3.0L V6 Turbo | |
| 2024 | Audi | RS5 | Coupe | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | For Vehicles With Production date Up To 06/19/23 |
| 2024 | Audi | S4 | Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | S5 | Convertible | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | S5 | Coupe | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | S5 | Hatchback | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Production Date After 12/13/21 |
| 2024 | Audi | SQ5 | SUV | 3.0L V6 Turbo | For Vehicles with Production Date After 12/13/21 |
| 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 | |
| 2024 | Porsche | Cayenne | S SUV | 3.0L V6 Turbo | |
| 2024 | Porsche | Cayenne | S SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo Coupe SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo SUV | 4.0L V8 Turbo | |
| 2024 | Porsche | Cayenne | Turbo GT Coupe SUV | 4.0L V8 Turbo |