Restore your excavator's lifting power with the DOOSAN 440-00355AKT Boom Seal Kit. Specifically designed for Solar 225LC-V hydraulic cylinders, this kit features high-pressure resistant seals to prevent leaks and ensure peak performance. Professional-grade B2B hydraulic repair parts for global export. Order high-durability Doosan spares today.
The Doosan 440‑00355AKT Boom Cylinder Seal Kit is a complete high‑performance hydraulic repair solution exclusively designed for Doosan Solar 225LC‑V excavator main boom cylinders. Composed of premium‑grade PU, NBR, PTFE and nylon sealing materials, this full set contains all static and dynamic seals required for cylinder overhaul. It effectively prevents internal oil bypass and external hydraulic leakage under high‑pressure heavy‑load excavation conditions, maintaining stable breakout force and lifting performance of the boom system.
| Technical Parameter | Specification Details |
|---|---|
| Part Number | 440‑00355AKT / 44000355AKT |
| Product Type | Complete Boom Cylinder Hydraulic Seal Repair Kit |
| Applicable Cylinder | Main Boom / Lift Cylinder |
| Compatible Brand | Doosan / Daewoo Solar Series |
| Seal Materials | High‑Grade PU, NBR Nitrile Rubber, PTFE, Reinforced Nylon |
| Operating Temperature Range | -35°C ~ +110°C Wide Temperature Adaptation |
This OEM‑precision boom seal kit is dedicated to the following Doosan heavy‑duty excavator model:
Excavators: Solar 225LC‑V (S225LC‑V) Main Boom Cylinder Overhaul
Superior High‑Pressure Resistance: Premium PU‑NBR composite materials withstand extreme hydraulic pressure surges of the 225LC‑V system, avoiding rapid seal aging and failure.
Excellent Wear & Abrasion Resistance: Reinforced rod seals and buffer seals resist friction heat and surface abrasion, extending service life in long‑hour digging operations.
1:1 OEM‑Tolerance Precision Machining: All O‑rings, backup rings and wiper seals strictly follow original dimensional standards, ensuring leak‑free installation and protecting piston rod from scratch damage.
All‑In‑One Complete Overhaul Kit: Full‑range sealing components included for one‑stop cylinder repair, shortening machine downtime and reducing maintenance frequency.
For bulk wholesale, technical consultation and hydraulic‑system sealing component solutions:
Xuzhou Sinoswift Import & Export Co., Ltd.
Contact: +86 13701956981
Email: [email protected]
