Reference OE number: 28146, 12 volt electric vacuum pump, for brake booster vacuum pump 12 volt Applicable models: For cars when the proper amount of vacuum is not being generated. For cars with 15" of vacuum or less at idle. Specification： Type: Vacuum Pump Voltage: 12 V Dimension: 206.2 * 108 * 163.6 mm Placement on Vehicle: Front, Left, Right Warranty: 2 Years Condition: 100% Brand New Feature： Provide vacuum to power brake booster, operates when vacuum drops below 18 inches and turns off when over 22 inches. Uses a highly effiecient electric pump, relay switch and sitributor with vacuum switch which should be mounted close together for effectiveness. Hooks directly to your booster. Great on street rods with radical camshafts.
