4639936 Boom Cylinder Seal Kit for Hitachi ZX270 ZX270LC ZX280LC ZX280LCN Excavators

Restore dependable hydraulic sealing performance with the WINSCHEN 4639936 Boom Cylinder Seal Kit. This premium aftermarket replacement is supplied for verified Hitachi repair applications.

Key Features

Direct Replacement: Referenced to Hitachi part number 4639936 for compatible hydraulic service applications.
Reliable Sealing: Selected aftermarket sealing components help maintain fluid retention during normal hydraulic cylinder service.
Maintenance Value: A practical repair solution for boom cylinder service, helping restore dependable operation and reduce equipment downtime.

Compatible Equipment Models

Excavators: ZX270 ZX270LC ZX280LC ZX280LCN

Specifications

Part Number	4639936
Product Type	Seal Kit
Equipment Brand	Hitachi
Application	BOOM LH BOOM RH
Brand	WINSCHEN
Country of Origin	China
SKU	HIT-4639936
MOQ	1 SET
Delivery Time	1-3 business days

Need to verify fitment for your specific Hitachi model? Contact our technical support team for expert assistance. We offer fast global shipping to keep your equipment operational.

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