The product is a Volvo 25168691 Mack 20QE4165AM Leveling Valve, a new old stock item designed for use with Volvo and Mack equipment. This valve is a critical component for controlling the leveling of heavy equipment, ensuring stability and safety during operation. As a genuine Volvo product, it is built to high standards of quality and durability, making it a reliable choice for heavy equipment maintenance and repair.