31Q8-10030 K5V140DTP Main Hydraulic Pump for Hyundai R300LC-9 R305-7 Excavator

   Your Hyundai excavator’s heavy-duty hydraulic power foundation starts here. 
   Now, we’re proud to present the HYUNDAI HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW R300LC9A R300LC9S 31Q8-10030 MAIN PUMP by SPARKLING MACHINERY. Next, we’ll cover its core strengths: 2-model compatibility, steady high-pressure output, strict quality, pro support, and cost-effective reliability—helping you maximize your equipment’s operational efficiency.

The SPARKLING MACHINERY NEW 31Q8-10030 R300LC-9S MAIN PUMP Photo:

   And first—thank you so wholeheartedly, from the bottom of our hearts, for choosing SPARKLING MACHINERY’s 31Q8-10030 Main Pump for your Hyundai R300LC9A or R300LC9S excavator! Your trust fuels our commitment to Hyundai’s strict hydraulic system standards. 
   This main pump is your excavator’s "hydraulic power heart"; a faulty one risks weak operation, unstable movements, or system failure. Ours matches Hyundai’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 R300LC9A R300LC9S 31Q8-10030 Main Pump?
   - Direct-fit compatibility: Custom-engineered for the 2 Hyundai models’ engine interfaces, mounting brackets, and hydraulic circuit connections. Marked 31Q8-10030, it aligns seamlessly with existing hydraulic systems—no drilling, modification, or adapter use. Cuts replacement downtime by 32%, getting your Hyundai excavator back to heavy-duty operation faster.
   - Precision control: Features ultra-accurate pressure regulation (deviation <1.2% from Hyundai’s rated specs) and consistent flow output (no sudden fluctuations), strictly adhering to the brand’s heavy-duty hydraulic performance parameters. Ensures reliable power supply—e.g., R300LC9S’s mining-site heavy lifting or R300LC9A’s construction-site precise operation—to avoid operational inefficiencies.
   - Rigorous quality: Undergoes 24+ strict tests—high-pressure durability (48MPa for 2,000+ hours without leakage), high-low temperature cycles (-30°C to 100°C, 1,000+ cycles), wear resistance (2,500+ working hours), and oil contamination resistance (150-hour particle injection test). Withstands harsh mining/construction environments, hydraulic shock, and continuous heavy-load operation without component damage.
   - Professional support: Backed by a dedicated team with deep expertise in Hyundai R-series hydraulic systems. Offers 7×24 online assistance, including step-by-step installation guides (mounting torque charts, oil priming tips), maintenance recommendations (filter replacement intervals, oil viscosity checks), and troubleshooting for low pressure or abnormal noise. Average response time <2 hours.
   - Cost-effective reliability: Delivers Hyundai OEM-level heavy-duty hydraulic performance at a competitive price. Reinforced high-strength internal rotors and wear-resistant seals extend service life by 60% vs. generic main pumps, reducing long-term replacement costs by 38%. Minimizes unplanned downtime from hydraulic failures—preventing costly project delays or system repairs.

   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.