Description of Enhance Braking Performance with Power Brake Booster Vacuum Pump Assembly 20804130 31317530
009428081 30793053 Vacuum Pump, Carbon commutator, highly wear-resisting. Low noise, high performance, long service life. Rotary vane structure avoids piston vacuum pump pressure gradually decline problem. Working enviroment temperature -40 to 120, working life lasts 500000 times. Excellent NVH.