Hydraulic Brake BOOS. Power Brake Booster.
Power Brake Booster.
Power Brake Booster
Fits 911
911; w/o Turbo; w/All Wheel Drive. 911; w/Turbo.
Brake Power Booster Unit - Repair or Replace
If you have a brake pedal that is suddenly stiff or you hear a whistling noise when you step on your brakes—especially when you're stopped—the culprit may be a failed brake booster. Our technicians can easily diagnose a possible brake booster failure in your .