The product is a set of 6 piston assemblies made by TOYOMI specifically for the Mitsubishi Fuso 6D22 engine. The pistons are made of ALFIN material and are manufactured in Taiwan. The OE/OEM part number for these piston assemblies is ME052447. These high-quality pistons are essential components for maintaining the engine's performance and efficiency, making them a reliable choice for car and truck parts and accessories.