Hitachi 4255652 Engine Mounting Rubber Cushion

This engine mounting rubber cushion serves as a rear isolator for the engine assembly on designated Hitachi hydraulic excavators. The component utilizes a high-grade rubber compound vulcanized to steel mounting plates with integrated threaded studs, providing critical vibration damping and noise attenuation between the engine block and machine frame. It is engineered to withstand the dynamic loads and thermal cycles typical of construction machinery operation. Direct replacement for Hitachi OEM part numbers 4255652 and 4177883. Cross-references aftermarket identifier TH106408. Compatible with Isuzu 4BD1 and 4BG1T diesel engines installed in EX100-2, EX100-3, EX120-2, EX120-3, and related models. Sold as individual unit; verify quantity required per machine (typically two rear mounts per engine).