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Brand New Power Booster 8124539 8126952 8128788 8130730 fits JEEP CHEROKEE 1974-1980Part Name : Booster, Vacuum Power Brake ; Master VAC Assembly
Part #. :8124539, 8126952, 8128788, 8129726, 8129727, 8130730
Conditions: Brand new, High Quality
This Part Fits:
JEEP CHEROKEE 1974-1980
JEEP J10 1974-1980
JEEP J20 1974-1980
JEEP WAGONEER 1974-1980Remarks:
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.