Upgrade your 2011-2012 Buick Regal with the genuine GM 20912823 Front Left Door Window Master Switch in sleek black. Designed for a perfect fit, this OEM switch assembly ensures seamless integration and operation with your vehicle's electrical system. ACDelco's commitment to durability means you can trust this part to withstand the daily wear and tear, maintaining functionality and enhancing your driving experience. Crafted with precision, the switch placement is ergonomic for easy access, ensuring control is at your fingertips. The part comes with vital features like the ones listed below, and it's ready to be installed in the designated left-door position, offering a straightforward installation process without the need for universal fitments or modifications. Exact new OEM item is shown. Also called Cocoa. Made in China. Please review our business policies in our store for information regarding returns, shipping and warranties.