Specifics and features: 100% New and High Quality 1 Year Warranty Easy to install, Direct replacement. Electric Vacuum Pump Power Brake Booster Auxiliary Pump Assembly for GM Type:Vacuum Pump Rated Voltage: DC 12V Mounting Insulators Included: Yes Notes: Power Supply DC 12V OE Number: 20804130, 20939309, 31317530, 009428081, 20914523, 178-0884, 20997418, 009428-08, 26110FJ00 Convenient to use, low consumption. Installation Manual Is NOT Included Profession install is highly recommend Compatible with: for GM, for Volvo XC 90,72 for GMC K1500,for Chevrolet Swift,for Buick,for Cadillac,15-16 for SUBARU FORESTER .