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Number 15 marks the part’s position in this exploded view (Audi Q4 Sportback (2021-2022)).
Other diagrams in the gallery may use a different number for the same part.
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
