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PUMP ASSY, BRAKE BOOSTER W/ACCUMULATOR
Fits GS 300, GS 400, GS 430, GX 470, SC 430Brake Power Booster Unit - Repair or ReplaceIf 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 2001 Lexus GS 430.