Doosan HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 170LC 170W 175LC 180W 440-00020A ARM CYLINDER SPARKLING MACHINERY

   Your Doosan excavator’s arm power and operational precision start here. 
   Now, we’re proud to present the DOOSAN HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 170LC 170W 175LC 180W 440-00020A ARM CYLINDER by SPARKLING MACHINERY. Next, we’ll cover its core strengths: 4-model compatibility, stable force output, strict quality, pro support, and cost-effective reliability—helping you maximize your equipment’s arm operation efficiency.

The SPARKLING MACHINERY NEW 440-00020A ARM CYLINDER Photo:

   And first—thank you so wholeheartedly, from the bottom of our hearts, for choosing SPARKLING MACHINERY’s 440-00020A Arm Cylinder for your Doosan 170LC, 170W, 175LC, or 180W excavator! Your trust fuels our commitment to Doosan’s strict hydraulic actuator standards. 
   This arm cylinder is your excavator’s "arm strength core"; a faulty one risks weak lifting capacity, unstable positioning, or operational delays. Ours matches Doosan’s original specs perfectly—you can depend on it fully. Let’s explore why it’s the ideal fit for your machine.

   Why choose the SPARKLING NEW 170LC 170W 175LC 180W 440-00020A Arm Cylinder?
   - Direct-fit compatibility: Custom-engineered for the 4 Doosan models’ arm hydraulic interfaces, mounting lugs, and bolt patterns. Marked 440-00020A, it aligns seamlessly with existing arm systems—no modification, adapter use, or hydraulic circuit adjustments. Cuts replacement downtime by 32%, getting your Doosan excavator back to heavy-duty operation faster.
   - Precision control: Features ultra-accurate stroke control (deviation <0.7mm from Doosan’s rated specs) and consistent force output (no sudden pressure drops), ensuring pinpoint arm positioning. Enables reliable operations—e.g., mining-site material handling or construction-site fine adjustment tasks—to avoid operational inefficiencies.
   - Rigorous quality: Undergoes 25+ strict tests—high-pressure durability (41MPa for 2,000+ hours without leakage), high-low temperature cycles (-30°C to 100°C, 1,050+ cycles), wear resistance (14,500+ extend-retract cycles), and rod surface corrosion resistance (1,400+ hours salt spray test). Withstands dusty construction/mining environments, hydraulic shock, and heavy loads without cylinder deformation or seal failure.
   - Professional support: Backed by a dedicated team with deep expertise in Doosan excavator hydraulic systems. Offers 7×24 online assistance, including step-by-step installation guides (mounting torque charts, hydraulic oil bleeding tips), maintenance recommendations (seal inspection intervals, rod cleaning methods), and troubleshooting for slow arm movement or oil leakage. Average response time <2 hours.
   - Cost-effective reliability: Delivers Doosan OEM-level hydraulic actuator performance at a competitive price. Reinforced cylinder barrels and high-wear-resistant piston rods extend service life by 63% vs. generic cylinders, reducing long-term replacement costs by 37%. Minimizes unplanned downtime from arm system failures—preventing costly project delays or equipment damage.

   About SPARKLING MACHINERY:
   - Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

   Get In Touch:
   - Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.