Shop 1989 Buick Century Power Brake Booster. Malibu; w/Hybrid; Code AA7H. W/HYBRID, code AA7H. Brake Code, Brakes—especially - OEM Buick Part # 84658875 (84089874)

Master Cylinder Assembly. Power Brake Booster.
Code-AA7H. Power Brake Booster.

Power Brake Booster

Fits Malibu

Malibu; w/Hybrid; Code AA7H. W/HYBRID, code AA7H.
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 .