This transfer case module is a genuine General Motors product with part number 12590219. It is compatible with a range of vehicles including the 2003-2006 Silverado, Sierra, Tahoe, and Yukon. Designed to enhance the performance of your car or truck, this module is a reliable and durable component that is essential for proper operation of the transfer case. Whether you're a professional mechanic or a DIY enthusiast, this OEM part is easy to install and maintain. Purchase with confidence and experience improved driving performance.