This OTTO thermal valve sealing ring kit (part number 1-21779001-0) is designed for excavators including Komatsu ZX450-3, PC450, and PC490. It provides reliable, high-temperature sealing for valve systems, ensuring optimal thermal performance and preventing leaks under demanding engine conditions.

OTTO CXZ51 ZX450-3 Excavator Parts 1125690200 112569-0200 1-12569020-0 Valve Guide Seal Suitable for ISUZU 6WF1 6WG1 This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

1125690206 112569-0206 1-12569020-6 ZX450 6WG1 This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty