SPARKLING Main Control Valve Check Valve – Durable Excavator Part
The HYUNDAI Check Valve 31N8-17420 / XKCG-00456 is a genuine replacement component designed for the main control valve system of Hyundai 9-Series crawler excavators, specifically model R300LC-9.
This check valve plays a critical role in hydraulic flow control. It allows fluid to move in one direction while preventing backflow, which protects the hydraulic system from pressure surges and maintains stable performance during demanding excavation operations.
Manufactured to OEM specifications, this valve offers precision engineering, corrosion resistance, and a durable internal seal — ensuring reliable operation, even under extreme pressure and high-duty cycles. It's ideal for both routine maintenance and emergency repairs when performance and safety are non-negotiable.
SPARKLING Main Control Valve Check Valve – Precision and Reliability for Excavators
SPARKLING MACHINERY, established in 2013, proudly presents the Main Control Valve Check Valve, engineered to deliver superior hydraulic performance and ensure the seamless operation of your excavator. Designed with precision and durability in mind, this check valve forms a critical part of the main control valve system, safeguarding hydraulic circuits by preventing backflow and maintaining stable pressure.
Crafted from high-quality materials and subjected to rigorous quality control, SPARKLING’s main control valve check valve guarantees long-lasting functionality even under the most demanding conditions. Whether you operate Caterpillar, Komatsu, Hitachi, or Volvo excavators, our check valve is compatible and optimized to fit, providing you with peace of mind and enhanced machine efficiency.
Our commitment to stability, precision, and perseverance is reflected in every SPARKLING component. We don’t just offer product excellence—we deliver tailored solutions and technical support to meet the unique needs of your machinery. Our dedicated team consults with you to ensure optimal configuration, helping reduce maintenance costs and improve machine uptime.
Choose SPARKLING main control valve check valve for a reliable, high-performance hydraulic component that empowers your excavator to perform at its best. Backed by a global network and unparalleled service, SPARKLING MACHINERY stands as your trusted partner in excavator parts.
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Frequently Asked Questions
Are your products covered by a warranty?
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Yes, all of our excavator parts come with a warranty to ensure quality and reliability. The warranty period may vary depending on the type of part. Please contact us for detailed warranty terms for specific products.
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Can I get technical support for installing your parts?
Absolutely. We provide technical support and guidance for the installation and maintenance of our parts. Our team is available to assist you with any questions or concerns to ensure proper installation and optimal performance.
What types of excavator parts do you manufacture?
We manufacture a wide range of excavator parts, including hydraulic components, undercarriage parts, engine parts, wear parts, and more. Our products are designed to fit a variety of excavator models and are built to meet the highest quality standards.
Do you offer customized parts?
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Yes, we offer tailored solutions to meet specific customer requirements. Whether you need custom dimensions or specialized features, we can design and produce parts that perfectly match your excavator’s needs.
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Hyundai 31N8-17420 / XKCG-00456 Check Valve | R300LC-9 Excavator Main Control Valve Part
The HYUNDAI Check Valve 31N8-17420 / XKCG-00456 is a genuine replacement component designed for the main control valve system of Hyundai 9-Series crawler excavators, specifically model R300LC-9.
This check valve plays a critical role in hydraulic flow control. It allows fluid to move in one direction while preventing backflow, which protects the hydraulic system from pressure surges and maintains stable performance during demanding excavation operations.
Manufactured to OEM specifications, this valve offers precision engineering, corrosion resistance, and a durable internal seal — ensuring reliable operation, even under extreme pressure and high-duty cycles. It's ideal for both routine maintenance and emergency repairs when performance and safety are non-negotiable.

EXCAVATOR SPARE PARTS YN30V00171F1 VALVE SELECTOR
The YN30V00171F1 valve selector by SPARKLING MACHINERY is a high-quality hydraulic component for excavators, ensuring precise flow control and leak-free performance under pressure. OEM-compatible, it boosts operational efficiency and is backed by competitive pricing and fast global support.
SANY 14532878 Harness Assembly | SY330H SY305HC9I3KH.5.4B Wiring Harness | HARNESS ASSY for SANY Excavator
The SANY 14532878 Harness Assembly (HARNESS ASSY) is a high-quality electrical wiring component designed for SANY excavators, including models SY330H and SY305HC9I3KH.5.4B.
This harness assembly plays a critical role in the machine’s electrical system by securely transmitting signals and power between key components such as sensors, controllers, engine modules, and onboard displays. Designed to withstand the harsh environments of heavy-duty construction operations, it features durable insulation, corrosion-resistant terminals, and OEM-standard connectors for easy installation and long service life.
Whether you are conducting routine maintenance or replacing damaged wiring, this 14532878 wiring harness ensures optimal machine communication and electrical performance. It helps reduce downtime, prevent faults, and support efficient operation on the jobsite.
021111435 GOVERNOR CONTROLLER
The 021111435 Governor Controller is a high-precision electronic control unit designed to regulate engine speed and optimize fuel efficiency in heavy machinery such as excavators, loaders, and other diesel-powered equipment.
Built to withstand harsh jobsite environments, this controller offers precise throttle response, stable speed regulation, and fault tolerance, ensuring smooth operation, lower emissions, and extended engine life. Whether you're replacing a faulty unit or upgrading your engine control system, this governor controller is a reliable and cost-effective solution.
Compatible with a wide range of construction equipment, it is easy to install and integrates seamlessly into your machine’s electronic control system.