2055357 Original Loader Shim for Hitachi ZW220

Part number 2055357 is the original gasket provided by Hitachi for the ZW220 wheel loader. Gaskets are key basic components used in construction machinery for sealing, anti loosening, adjusting clearances, or isolation. They are widely used at the connection points of engines, transmissions, hydraulic valve blocks, pipeline flanges, and other parts. As an original precision component, its material formula, thickness tolerance, surface flatness, and rebound performance are strictly matched with the specific working conditions (pressure, temperature, medium) of the connecting surface.

This product is a specific specification of sealing or adjusting gasket, which may be made of materials such as oil resistant rubber, composite materials (such as asbestos rubber, asbestos free fibers), metal cladding, or pure metal (such as copper, aluminum). Its core function is to form a reliable static seal between two connecting surfaces, preventing leakage of hydraulic oil, engine oil, coolant or gas; At the same time, some gaskets are also used to adjust bearing preload, gear clearance, or as anti loosening gaskets. As an original component, its thickness uniformity, compression ratio, temperature resistance range, and corrosion resistance to media (oil, water, chemical agents) all meet Hitachi's strict standards, ensuring sealing integrity under vibration, temperature difference, and long-term pressure.

Inspection and replacement: When there is leakage at the connection, repeated loosening of bolts, or when the gasket is found to have compression deformation, hardening, cracking, erosion by the medium, or loss of elasticity during regular maintenance and disassembly, it must be replaced. Simple judgment method: After the equipment is running, check whether there are oil stains, water marks or bubbles generated at the connection; For observable gaskets, visually inspect for integrity and any damage Attention: It is strictly prohibited to reuse disposable gaskets; When storing, it should be placed flat, moisture-proof, pressure resistant, and deformation resistant; When replacing the gasket, it is recommended to check the thread status of the connecting bolts synchronously and replace them together if necessary.