Buy 2003 Gmc Sonoma SL Standard Cab Pickup Stepside 2.2L Vortec M/T RWD Power Brake Booster. All Models - OEM Gmc Part # 15247618 (18047694)

Booster. Brake. P/B. Power.
Power Brake Booster.

Power Brake Booster

Fits Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, SSR , Trailblazer, Trailblazer EXT

All Models; Bravada. All Models; Envoy, Trailblazer. All Models; Rainier. SSR.
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 2003 GMC Sonoma.