Light sensor AUDI A6 2008

OEM: 4F0907539B-1

Disassembled car photo

Engine running

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Details for this exact part

Code
4F0907539B-1
OEM
4F0907539B-1
Condition
Used
Availability
1 in stock - ready to ship
Make, model
AUDI A6 2004-2008
Year
2009
Engine
Petrol 2.0L 125KW - BPJ
VIN
WAUZZZ4F69N017477

What is this part and why does it matter?

The light sensor detects ambient light levels, automatically activating headlights when it gets dark (auto headlight function) without driver input.

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Signs of a faulty part

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

  • Headlights don’t turn on automatically in low light
  • Headlights stay on constantly regardless of light level
  • Inconsistent automatic activation

Installation information

Mounted on the dashboard or near the windscreen, connecting to the vehicle wiring harness.

Frequently asked questions

Reliable automatic headlight activation ensures your vehicle is visible to others as light conditions change, particularly important during dusk or sudden weather changes like entering a tunnel.

Donor vehicle description

VIN
WAUZZZ4F69N017477
Make, model
Audi A6
Year
2009
Engine
Petrol 2.0L 125KW - BPJ
Transmission
Automatic - KYQ
Drive
Front
Equipment
LHD
Colour
9X / Y1Q

455 parts from this car

  • Rear bumper AUDI A6 2008
  • Steering gear AUDI A6 2008
  • Front left axle shaft AUDI A6 2008
  • Front right axle shaft AUDI A6 2008
  • Air filter housing AUDI A6 2008
  • Coolant reservoir AUDI A6 2008
  • Automatic transmission AUDI A6 2008
  • Clutch damper AUDI A6 2008
  • Engine AUDI A6 2008
  • Front Left Inner Fender AUDI A6 2008
  • Front Right Inner Fender AUDI A6 2008
  • Rear Left Inner Fender AUDI A6 2008

What our customers say

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    August 2026

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    Paul F.
    June 2026

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    Front fender
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