Genuine 31Q8-17002 Main Control Valve for Hyundai R290LC-9 & R300LC-9A

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   The 31Q8-17002 main control valve is constructed with heavy-duty cast alloy housing and precision-machined internal spools. Integrated with load-sensing and regeneration circuits, it optimizes oil distribution during combined movements—such as simultaneous boom rise and bucket curl—minimizing pressure drops and fuel consumption.

The SPARKLING MACHINERY NEW 31Q8-17002 Main Control Valve Photo:

The SPARKLING Genuine 31Q8-17002 Main Control Valve is a precision hydraulic control component designed for Hyundai R290LC-9 and R300LC-9A excavators. As the core valve assembly of the hydraulic system, it manages oil distribution to key functions such as boom, arm, bucket, travel, and swing operations, helping maintain smooth and coordinated machine performance.

--- Product Highlights
- Part Number: 31Q8-17002
- Compatible Models: Hyundai R290LC-9, R300LC-9A
- Product Type: Main Control Valve / Hydraulic Control Valve
- Application: Excavator hydraulic system

Manufactured with a focus on dimensional accuracy, hydraulic sealing, and reliable valve control, this component supports stable oil flow and responsive operation in demanding construction, mining, and earthmoving environments. Its robust design helps reduce hydraulic performance issues caused by inconsistent flow control, internal leakage, or worn valve components.

Before ordering, please confirm the excavator model, serial number, existing valve configuration, and part number to ensure compatibility. Hydraulic system installation should be performed by qualified technicians using proper cleaning, inspection, and commissioning procedures.

--- Why Choose SPARKLING?
Founded in 2013, SPARKLING MACHINERY specializes in high-quality excavator parts, including hydraulic components, undercarriage systems, engine parts, electrical components, cabs, mini excavators, and accessories. We serve equipment compatible with leading brands such as Hyundai, Caterpillar, Komatsu, Hitachi, and Volvo.

Our strict manufacturing and quality-control processes, professional consultation, customized solutions, and technical support help customers improve equipment reliability while controlling maintenance costs. With a global sales network and a commitment to stability, precision, innovation, and service, SPARKLING is a dependable partner for excavator parts.