General description New and high-quality Boost Brake Vacuum Pump designed for easy installation and use. This product is a perfect replacement for your old pump, built to strict quality control standards ensuring stable performance and high reliability. Technical specifications Type: Boost Brake Vacuum Pump Valve Condition: 100% Brand New Part Number: 12686657, 12667187, D589-6657-M7 Replaces Part Numbers: 12654111, 12660670, 12662773 Material: Metal Color: Silver Measurement allowed error: +/- 1-3 cm Compatibility and accessories Fitment: For Buick Envision (2016-2020), Regal (2014-2020), ATS (2013-2018), CT6 (2016-2018), Chevy Camaro, Colorado, Impala, Malibu, GMC Canyon, Acadia (2017-2021), Terrain (2018-2021), and Equinox (2015-2022) Package Contents: 1 x Brake Vacuum Pump Installation Fitment Type: Direct Installation Correct Connector: No cutting or splicing required