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Genuine OEM & performance parts — ships to United States

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 vehicles

Inn 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
Vehicle fitment table2

Europe (2)

VehicleYearsPos.
Audi Q4 Sportback2021-202214
Audi Q2 2.0 TDI2016-201814

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.