Isuzu 3AB1 Exhaust Valve Set (3 Units)

This exhaust valve set contains three units designed for the Isuzu 3AB1 three-cylinder naturally aspirated diesel engine. The valves are engineered to OEM specifications for heat resistance and dimensional stability under high-temperature combustion cycles. The set provides direct replacement for the exhaust valves in the cylinder head, ensuring proper sealing and engine compression. Primary application includes the Hitachi EX50UR mini excavator equipped with the Isuzu 3AB1 power unit. Additional fitment covers Hitachi IS55US excavators, Iseki TS3510 and TS4510 tractors, and Hanik N-4, N-35, NC3000 excavators utilizing the same engine platform. Manufactured from heat-resistant alloy steel to withstand exhaust gas temperatures and corrosive environments. Sold as a complete engine set of three valves.