Brake vacuum booster tube AUDI A6 2008

OEM: 4F0611931CB

Disassembled car photo

Engine running

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Details for this exact part

Code
4F0611931CB
OEM
4F0611931CB
Condition
Used
Availability
1 in stock - ready to ship
Make, model
AUDI A6 2004-2008
Year
2008
Engine
Dīzelis 3.0 155KW BNG
VIN
WAUZZZ4F98N003023

What is this part and why does it matter?

The brake vacuum booster hose delivers vacuum specifically to the brake booster, the component that multiplies the driver’s pedal force.

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Signs of a faulty part

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

  • Hissing noise from under the bonnet, often near the brake pedal area
  • Increased brake pedal effort
  • Brake pedal feeling firmer than usual when the engine is running

Installation information

Push-fits onto the booster and vacuum source — check the check valve (if fitted) is oriented correctly.

Frequently asked questions

It’s the dedicated supply line to the brake booster — any leak here directly reduces the vacuum available to assist braking, unlike a leak elsewhere in the general vacuum system.

Donor vehicle description

VIN
WAUZZZ4F98N003023
Make, model
AUDI A6
Year
2008
Engine
Dīzelis 3.0 155KW BNG
Transmission
JMG 6-pārnesumu Mehāniska
Drive
Pilna
Colour
9U9U

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  • Window lifter rear right AUDI A6 2008
  • Fuel tank cap AUDI A6 2008
  • Rear right door lock AUDI A6 2008
  • Window lifter rear left AUDI A6 2008
  • Rear left door lock AUDI A6 2008
  • Window regulator front left AUDI A6 2008
  • Fuel tank cap AUDI A6 2008

What our customers say

  • Price: excellent.

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    Didier V.
    August 2026

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    Ilmars K.
    August 2026

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    Toyota Avensis
    August 2026

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    Paul F.
    June 2026

  • Super fast delivery of the part, and good quality of the used part. Thanks for the service.

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    May 2026

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    Front fender
    October 2025