This OEM Genuine GM Part Number 12658828 Tubrocharger Assembly is a perfect fit for your Cadillac XTS 2014-2019. The assembly includes a supercharger that is specifically designed to improve the performance of your vehicle. It is made of high-quality materials to ensure durability and long-lasting use. The manufacturer part number is 12658828. With this supercharger, you can expect an increase in the horsepower of your vehicle, which will result in a smoother and more efficient driving experience. It is compatible with a wide range of vehicles, and its brand name is GM. This product is ideal for anyone who wants to upgrade their vehicle's performance without compromising on quality.