Innovation brings challenge and opportunity, and we're suiting up for both. Because when it comes to the evolving maintenance, repair, collision and powertrain needs of Chevrolet, Buick, GMC and Cadillac vehicles, only GM Genuine Parts and ACDelco Original Equipment parts offer true GM Original Equipment built for what's next. We also offer ACDelco Gold and Silver parts, our high-quality OE alternatives. ACDelco offers the only aftermarket parts backed by GM. ACDelco's Gold and Silver lines of premium aftermarket parts offer a precise fit for GM vehicles and most other makes and models.