2004 Volvo XC90 Booster Vacuum Switch
Genuine Booster Vacuum Switch
Booster Vacuum Switch
Part Number: W0133-1971571
Notes: / Shut Off Valve
Was a perfect match and replacement. Easy replacement job.
Installed this part in my car in about 5 minutes. The part worked as designed. Thanks for making these parts available! Now my brakes work well when the car is started up (I installed a new vacuum pump too).