Product overview
Genuine OEM Audi Inner Door Actuator, part number 81A837020B4PK. This essential component controls the locking and unlocking mechanism of a vehicle door, ensuring secure operation and passenger safety. It is installed within the inner door panel assembly. The actuator features a 4PK finish. Choosing a genuine OEM actuator guarantees precise fitment, reliable operation, and compatibility with the vehicle's existing electrical and mechanical systems.
Catalogue entry: SOUL; INN ACT. right.
Technical details
- Base part number
- 81A837020B
- Category
- Doors & Windows
- Colour / finish
- 4PK
- Customs (HS) code
- 83023000
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 24 × 7.5 × 5.5 cm
- Shipping weight
- 0.18 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- QJ0
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
2 vehiclesInn Act (Soul (black)) — locate 81A837020B4PK Audi Inner Door Actuator | Genuine OEM in the official exploded view and explore the surrounding assembly.
You are ordering the soul (black) version — 81A837020B4PK. The diagram shows its base part number 81A837020B.
Parts in this assembly42
- 1TrimLeft89A867307F
- 1TrimLeft89A867307J
- 1TrimRight89A867308C
- 1TrimRight89A867308F
- 1TrimRight89A867308H
- 1TrimRight89A867308J
- 1TrimLeft89A867307C
- 1TrimLeft89A867307H
- 2Clip 3CN868243
- 3Clip 3AA868243A
- 4ArmrestLeft89A867373A
- 4ArmrestRight89A867374
- 4ArmrestRight89A867374A
- 4ArmrestLeft89A867373
- 5Bolt N10415902
- 6Clip N90230602
- 7Clip 1T0867947A
- 8Foam 5G0971798
- 9TrimLeft89A959527
- 9TrimLeft89A959527B
- 9TrimRight89A959528
- 9TrimRight89A959528B
- 10Clip 8T0853107
- 15Inn Act 81A837019
- 15Mechanism 81A837019A
- 15Mechanism 81A837019C
- 15Inn Act 81A837019D
- 15Mechanism 81A837019E
- 15Inn Act 81A837020
- 15Mechanism 81A837020A
- 15Inn Act 81A837020B
- 15Mechanism 81A837020C
- 15Inn Act 81A837020D
- 15Mechanism 81A837020E
- 15Inn Act 81A837019B
- 16PartRight81A867444
- 16PartLeft81A867443
- 19Bolt N90918702
- 20Cover 89A857570
- 20Cover 89A857569
- 21Bolt N91191401
- 24Cover 8E0867443
Vehicle fitment table2
Europe (2)
| Vehicle | Years | Pos. |
|---|---|---|
| Audi Q4 Sportback | 2021-2022 | 15 |
| Audi Q2 2.0 TDI | 2016-2018 | 14 |
Diagrams & fitment data powered by oemdiagrams.com
81A837020B4PK Audi Inner Door Actuator | Genuine OEM is fitted on: Audi Q4 Sportback 2021-2022; Audi Q2 2.0 TDI 2016-2018.