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 assembly48
- 1Door PanelLeft81A867103
- 1Door PanelLeft81A867103A
- 1Door PanelLeft81A867103B
- 1Door PanelRight81A867104
- 1Door PanelRight81A867104A
- 1Door PanelRight81A867104B
- 2Clip 8V0868243
- 4ArmrestLeft81A867173A
- 4ArmrestRight81A867174
- 4ArmrestRight81A867174A
- 4ArmrestLeft81A867173
- 5Bolt N90918702
- 6TrimLeft81B959521
- 6TrimLeft81B959521A
- 6TrimRight81B959522
- 6TrimLeft81C959521
- 6TrimRight81C959522
- 6TrimRight81C959522A
- 6TrimRight81C959522B
- 6TrimLeft81B959521B
- 7HandleLeft81A867161A
- 7HandleLeft81A867161C
- 7HandleRight81A867162
- 7HandleRight81A867162A
- 7HandleRight81A867162C
- 7HandleLeft81A867161
- 8Clip 1T0867947A
- 9TrimLeft81A867585
- 9TrimLeft81A867585A
- 9TrimLeft81A867585B
- 9TrimRight81A867586
- 9TrimRight81A867586A
- 9TrimRight81A867586B
- 10Screw N10508903
- 14Mechanism 81A837019C
- 14Inn Act 81A837020B
- 14Mechanism 81A837020C
- 14Inn Act 81A837019B
- 15PartRight81A867444
- 15PartLeft81A867443
- 17Stop 8V0860385
- 18CoverRight81A857506
- 18CoverLeft81A857505
- 19Beading 4M0867911A
- 20Bolt N91225901
- 28Trim 81A959829
- 31Optic 81A947199
- 31Optic 81A947198
Vehicle fitment table2
Europe (2)
| Vehicle | Years | Pos. |
|---|---|---|
| Audi Q4 Sportback | 2021-2022 | 14 |
| 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.