PC228USLC-3 PC228US-3 Hydraulic Boom Cylinder for Komatsu Excavator Spare Parts 707-01-0E790 Aftermarket High Quality

The 707‑01‑0E790 hydraulic boom cylinder is a key lifting component customized for Komatsu PC228US‑3 and PC228USLC‑3 short‑tail swing excavators. Precision‑matched to OEM dimensions and hydraulic parameters, it enables direct replacement installation without modification, maintaining stable boom operation for urban construction, tight‑space projects and small‑scale earthmoving work.

Produced under ISO9001 quality standards, this boom cylinder adopts high‑strength seamless steel tube for the cylinder barrel. The piston rod is induction‑hardened and hard‑chrome plated for wear resistance. Equipped with imported high‑pressure polyurethane seals, it adapts to‑20℃~+85℃ working temperatures, passing strict leak‑proof and fatigue testing before delivery.

Our aftermarket boom cylinder delivers OEM‑level performance at a lower cost than genuine Komatsu parts. With flexible 1‑piece MOQ, 12‑month warranty including free non‑artificial defect replacements, and fast stock delivery from Guangzhou warehouse, it effectively cuts maintenance costs and reduces job‑site downtime.

Established in 2013, Belparts specializes in excavator hydraulic spare parts. We supply genuine and premium aftermarket components compatible with Komatsu, , Hitachi, Doosan and Hyundai. Our products are exported to 150+ countries worldwide, supported by large‑scale Guangzhou inventory and full‑range cross‑border logistics services.

Q1: Can this 707‑01‑0E790 boom cylinder perfectly fit my PC228US‑3 excavator?
A: Provide your excavator serial number or old cylinder casting photos, and our engineering team will confirm full compatibility for direct plug‑and‑play installation.

Q2: What does the 12‑month warranty cover?
A: It covers non‑human‑caused quality issues including oil leakage, cylinder deformation and seal failure, with free replacement parts and remote technical guidance.

Q3: What advantages does your cylinder have over ordinary aftermarket products?
A: Optimized for short‑tail compact excavator working conditions, it uses reinforced wear‑resistant materials and stable sealing systems, with longer service life than generic alternatives.

Q4: How is the cylinder packed for international transportation?
A: With anti‑corrosion oil treatment, airtight port sealing and export‑grade wooden case packaging. Air express takes 3‑7 days, sea freight takes 30‑45 days for bulk orders.

Q5: What payment methods do you support?
A: We accept T/T, Trade Assurance (platform‑protected) and PayPal to secure cross‑border transactions for global buyers.