345BL II Hydraulic Bucket Cylinder 118-3934 1183934 Aftermarket Excavator Spare Part 150mm Bore

This heavy-duty aftermarket hydraulic bucket cylinder is precisely manufactured as a direct interchangeable replacement spare part for erpillar 345BL II large excavators. As the core hydraulic actuator of the front working attachment, it drives bucket digging, grabbing and unloading operations, perfectly suited for open-pit mining, stone quarrying, large infrastructure construction and heavy earthmoving projects.

All cylinders are produced strictly in accordance with erpillar OEM technical specifi ions, with fully consistent mounting dimensions, pin hole spacing and hydraulic port layout. Direct bolt-on installation can be finished on site without cutting, welding or any secondary modifi ion work.

1. Dual PN Universal Interchange Fitment

   118-3934 and 1183934 are fully interchangeable part numbers for the same bucket cylinder. All structural dimensions match original parts completely, seamlessly connecting bucket linkages and hydraulic pipelines to guarantee stable continuous heavy-load operation under mining and quarry working conditions.

2. Mine-Grade Reinforced Heavy-Duty Structure

   Thickened cylinder barrel and connecting lugs adopt optimized reinforcement design, capable of enduring long-term cyclic heavy loads and frequent collision impacts in harsh mining sites, greatly extending overall service life.

3. Multi-Round Strict Pre-Delivery Inspection

   Each finished cylinder undergoes repeated full-stroke cycle tests and high-pressure airtight leak detection, thoroughly eliminating hidden risks of internal and external oil leakage.

4. Excellent Cost Performance

   Delivers identical stability and durability as genuine spare parts, effectively cutting recurring procurement costs for repair workshops and spare parts wholesalers.

5. Flexible Global Logistics Solutions

   In-stock goods can be dispatched within 3 working days. Air freight meets urgent delivery demands, while sea freight provides the most cost-effective solution for bulk wholesale orders.

Our factory has more than ten years of mature experience in R&D and manufacturing hydraulic cylinders for classic large excavator series including 345BL II. We supply complete boom, arm and bucket cylinder assemblies with sophisti ed production craftsmanship and full-process strict quality control systems. Our products are exported to aftermarket markets across Africa, Southeast Asia and the Middle East all year round, winning long-term trust and consistent favorable feedback from global partners.