The TP AU-4LE2X Tier4 Piston Kit with Ring is a high-quality engine part designed specifically for Isuzu excavator engines. Made with durable materials, this piston kit includes 4 cylinders and 8 valves, ensuring optimal performance and efficiency. Manufactured in China by the trusted brand TP, this product is compatible with various heavy equipment types including excavators, asphalt & concrete pavers, backhoe loaders, and articulated dump trucks. Upgrade your equipment with this reliable piston kit to extend its lifespan and maintain its efficiency.