Engine wires AUDI A7 2011 SPORTBACK

OEM: 4T0971871

Disassembled car photo

Engine running

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Details for this exact part

Code
4T0971871
OEM
4T0971871
Condition
Used
Availability
1 in stock - ready to ship
Make, model
AUDI A7 2010-2014
Year
2011
Engine
Diesel 3.0TDI 180KW - CDUC
VIN
WAUZZZ4G3BN011814

What is this part and why does it matter?

This wiring harness connects the various engine sensors and actuators to the ECU, forming the main nervous system of engine management.

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Signs of a faulty part

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

  • Multiple, seemingly unrelated engine-related faults appearing together
  • Check Engine light constantly on with numerous fault codes
  • Engine running poorly or not starting

Installation information

Routes throughout the engine bay to each sensor and actuator — requires careful attention to correct routing away from heat and moving components.

Frequently asked questions

This harness connects to numerous engine components simultaneously — physical damage to a section carrying multiple circuits can disrupt several systems at once, even though each component itself may be perfectly healthy.

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