EX450LC-5 EX450-5 Hydraulic Boom Cylinder for Hitachi Excavator Spare Parts 4340511 Aftermarket High Quality

EX450LC-5 / EX450-5 Hydraulic Boom Cylinder for Hitachi Excavator | PN:4340511 | Premium Aftermarket Replacement

1. Basic Product Info

This top-grade aftermarket hydraulic boom cylinder is professionally manufactured to serve as a direct replacement for Hitachi EX450LC-5 and EX450-5 large excavators. As an essential power unit of the front working assembly, it precisely controls the lifting and lowering of the boom to deliver robust performance for heavy excavation, bulk material hoisting and land leveling work. It is widely put into use in open-pit mining, highway engineering, large-scale earthmoving and industrial site reconstruction projects. All products are fabricated in strict accordance with Hitachi original OEM specifications, with identical installation dimensions, pin hole gaps and hydraulic port positions. Field staff can complete direct bolt-on installation without cutting, welding or any extra on-site modifications.

2. Core Technical Parameters

3. Product Advantages

1. Accurate OEM Matching Performance: Every structural size and assembly detail complies with original factory standards. It fits tightly with boom linkages and hydraulic lines to maintain smooth and reliable operation under long-term heavy-load conditions.
2. Heavy-Duty Reinforced Construction: The cylinder tube and connecting lugs adopt optimized thickened design, which can endure continuous heavy pressure and occasional collisions in rugged construction and mining environments for extended service life.
3. Complete Pre-Delivery Quality Screening: Each finished cylinder undergoes long-duration full-stroke running tests and high-pressure airtight inspections, effectively eliminating potential risks of internal and external oil leakage.
4. Outstanding Cost-Saving Value: It features equivalent performance and durability as genuine Hitachi spare parts, helping repair workshops and parts wholesalers cut down regular procurement expenditure significantly.
5. Convenient Global Logistics Support: All in-stock goods can be dispatched within 3 working days. Air freight caters to urgent delivery demands, while sea freight is a budget-friendly option for large batch wholesale orders.

4. Supplier Brief

Our production base has focused on the development and manufacturing of hydraulic cylinders for Hitachi classic EX series excavators for more than ten years. We provide a full lineup of boom, arm and bucket cylinders covering EX450-5 and other mainstream Hitachi models. With sophisticated production craftsmanship and rigorous quality management rules, our products are continuously exported to aftermarket markets across Africa, Southeast Asia and the Middle East, winning consistent trust and favorable feedback from overseas clients.

5. FAQ