Shop OEM General Motors Part # 84669159 (84211128). Power Brake Booster. Code: AA45, AAZY. Code: AARF. Brake Power Booster Unit - Repair or Replace If you have a brake pedal that is

Master Cylinder Assembly. Power Brake Booster.
Power Brake Booster.

Power Brake Booster

Fits Volt

Code: AA45, AAZY. Code: AARF.
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 .