Electric Vacuum Pump Brake Booster 12 V Vacuum Pump 29.5 UP28 20804130 20939309
20804130, 20939309, 31317530. 1 x Vacuum Pump. Maximum Vacuum (hg): 29.5. for GM, for Volvo XC 90, for GMC K1500 72. Condition: 100% New. Width (in): 4.000 in. Mounting Insulators Included: Yes. for Chevrolet Swift, for Buick, for Cadillac.