Door wires AUDI A4 2010

OEM: 8K0971029AP 8K0971035P

Disassembled car photo

Engine running

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Details for this exact part

Code
8K0971029AP 8K0971035P
OEM
8K0971029AP 8K0971035P
Condition
Used
Availability
1 in stock - ready to ship
Make, model
AUDI A4 2008-2012
Year
2010
Engine
Diesel 2.0 105KW CAGA
VIN
WAUZZZ8K4AA135627

What is this part and why does it matter?

This wiring harness carries electrical signals for the window, lock, mirror, and speaker functions within a door, and must flex reliably as the door opens and closes.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Multiple door functions not working (window, lock, mirror)
  • Intermittent function, especially during door movement
  • Visible wear or fraying at the door’s flex point

Installation information

Routes through a flexible conduit between the body and door — check for smooth movement without strain through the full door travel.

Frequently asked questions

It has to flex repeatedly every time the door opens and closes, which is a demanding mechanical stress that standard fixed wiring doesn’t experience, eventually causing individual wire strands to fatigue and break.

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