This Genuine GM Reservoir 84412928 is a high-quality product that is perfect for those who need a direct replacement for their diesel exhaust fluid system. It is compatible with various models such as the Express 2500, Express 3500, Savana 2500, and Savana 3500, and it is made by Chevrolet and GMC.It is designed to replace part numbers 22905126 and 23379345, and it is a perfect fit for those who need a direct replacement. This product is ideal for those who want to maintain their diesel engine's performance, and it is a must-have for those who need a reliable and high-quality replacement part.