Hitachi 4309334 Arm Cylinder Group

The Hitachi Arm Cylinder Group (Part No. 4309334) is a complete replacement arm (stick) cylinder assembly for Hitachi ZX450, EX550-5, EX600H-3-. The arm cylinder controls the extension and retraction of the excavator arm, generating the crowd force central to productive digging cycles. Supplied as a fully assembled unit to OEM specifications for direct-fit replacement. Cross-reference: Hitachi Part No. 4309334. EagleXP offers fast Australia-wide delivery and competitive pricing on quality replacement Hitachi components. For fitment confirmation, technical queries, or bulk fleet pricing, contact the EagleXP parts team directly.

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