OEM-specification Hitachi Mounting Isolator. Part number 4622543. Compatible with Hitachi Engine 6Hk1 Excavator Zw250 5B Zx330 3 Zx330 3F Zx350 3 Ams Zx350H 3 Zx350H 3F Zx350K 3.
Always verify with serial number before ordering.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.