Hydraulic Tank Bypass Valve Assembly for Komatsu excavators PC200 PC300-7 PC300-8 20Y-60-31450

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Product: Hydraulic Tank Bypass Valve Assembly (OEM 20Y-60-31450)
Fitment: Komatsu PC200, PC300-7, PC300-8
Brand: SPARKLING

Overview
As an experienced product operations manager in the excavator parts field, I present SPARKLING’s Hydraulic Tank Bypass Valve Assembly — a direct-fit replacement designed for Komatsu PC200 and PC300 series (PC300-7 / PC300-8) machines (OEM ref. 20Y-60-31450). Manufactured with industry-grade processes and validated by bench and field tests, this assembly restores reliable hydraulic return flow, protects pumps from cavitation, and keeps your machine operating smoothly under demanding conditions.

Key features & advantages
- Direct OEM compatibility: Engineered to match Komatsu OEM dimensions and mounting points for bolt-on installation and fast, downtime-minimizing replacement.
- Robust materials & precision machining: Made from high-strength, wear-resistant alloys with precision CNC machining and high-tolerance sealing surfaces to ensure consistent performance and long life.
- Reliable hydraulic performance: Accurately regulates bypass/return flow and pressure to prevent tank overpressure and pump cavitation, reducing hydraulic system stress and extending component life.
- Corrosion and contamination resistance: Surface treatments and quality sealing materials resist corrosion and reduce leak and contamination risk in tough operating environments.
- Quality-verified: Each unit undergoes strict quality control, pressure and leak testing to meet or exceed OEM functional standards.
- Technical support & customization: SPARKLING provides installation guidance, troubleshooting assistance, and can accommodate specific packaging or part customization for fleet needs.

Why choose SPARKLING’s assembly
SPARKLING MACHINERY (est. 2013) specializes in high-quality excavator parts and emphasizes stability, precision and durability. Our manufacturing controls, experienced engineering team, and global supply network ensure you get a dependable, cost-effective replacement part that minimizes downtime and overall operating costs. We combine competitive pricing with after-sales support to help maintenance teams keep machines productive.

Installation & maintenance notes
- Recommended: inspect hydraulic fluid and tank for contamination before installation.
- Tighten to manufacturer torque specs; replace related seals and fasteners when performing service.
- Periodic inspection for leaks and wear will maximize service life.

Trust signals
SPARKLING’s parts are produced under strict quality management, field-tested, and supported by global service channels. We stand behind our products with responsive technical consultation and parts expertise to help you get back to work quickly and reliably.

For purchase inquiries, compatibility confirmation or technical support, contact SPARKLING MACHINERY’s sales team — your trusted partner in excavator parts.