3B0612107D Brake Servo for Audi A4 2003-2009

Part Name : Booster, Vacuum Power Brake ; Master VAC Assembly, Servo freno
Part #.: 3B0612107D, 8E0612107B, 8E0612107F,03.7858-4202.4 53-3110

Conditions: Brand new, High Quality

This Part Fits: 

Audi A4 2003-2009
Audi A6 2002-2004
Audi S6 2002-2007
Volkswagen Passat 2003-2005

 

 

Remarks: 
Custom design is available(based on drawings or sample).

 

What is Brake Booster and its function in vehicle ?   

 

The brake booster is designed to create a greater braking force from a minimum pedal effort, using a difference in atmospheric pressure and the engine’s manifold vacuum. It increases the pedal force 2 to 8 times depending on the size of the diaphragm. The brake booster is located between the brake pedal and the master cylinder.

When pressure is applied to the brake pedal, pressure is exerted on the booster air valve. With pressure created by the booster the master cylinder is applied. Should the booster malfunction, the normal mechanical braking force of the master cylinder is maintained.