HITACHI Engine Valve – Product Overview
Engine valves control the flow of air into and exhaust out of the combustion chamber. They operate under extreme temperatures and pressures, requiring precise manufacturing and high-quality materials for reliable long-term performance.
Applications
This Engine Valve is designed for HITACHI construction equipment and industrial engines. It is compatible with a wide range of machine models and engine configurations. The component is manufactured to meet or exceed original equipment specifications for reliable performance in demanding operating conditions.
Compatible OEM Part Numbers
We supply the following comprehensive list of HITACHI Engine Valve part numbers. These part numbers cover various machine models, engine configurations, and design revisions:
- Primary Part Number: C0170-55951 4606144 Main Valve
- Also Available: Control Valve YA00000734H3
- Also Available: Control Valve YA00037261
- Also Available: Lock Valve 4609630
- Also Available: Main Control Valve Assy YA00037261
- Also Available: Main Control Valve YA00000734H3
- Also Available: Main Valve C0170 55951 4606144
- Also Available: Relief Valve 4654860 YA00011313
- Also Available: Relief Valve YA00011313
- Also Available: Solenoid Valve 9218269
- Also Available: Solenoid Valve 9239590
- Also Available: Solenoid Valve XB00015039
- Also Available: ZX200-3 Main Valve 4606144
- Also Available: ZX200-3 Main Valve Assy 4606144
If your specific part number is not listed, please contact our sales team with your machine model and serial number. We can source most part numbers with short lead times.
Technical Specifications
- Product Type: Intake / Exhaust Valve
- Material: Silchrome / Nimonic / Stainless steel
- Quality: OEM specification
Installation Guide
- Ensure the machine is on level ground, engine off, and all systems are safely depressurized before starting work.
- Clean the area around the component thoroughly to prevent contamination during removal and installation.
- Refer to the manufacturer service manual for the specific removal and installation procedure.
- Use proper tools and lifting equipment as specified in the service manual.
- Replace all gaskets, seals, and O-rings with new ones during installation.
- Tighten all fasteners to the manufacturer’s specified torque values using a calibrated torque wrench.
- After installation, check for proper operation and leaks before returning the machine to service.
- Perform a test run at low speed and gradually increase to normal operating speed.
Price Range
$8 – $80 USD per valve (depending on size and material)
Volume discounts are available for fleet operators and repair shops. Contact our sales team for a firm quote based on your specific part number and quantity requirements.
Maintenance Tips
- Check valve clearance at recommended intervals.
- Inspect valve face and seat for pitting or wear.
- Replace valve stem seals when installing new valves.
- Use valve grinding compound for proper seat matching.
- Always replace valve springs when replacing valves.
- Check valve guide clearance during overhaul.
Warranty
All products supplied by us are covered by a 12-month warranty against manufacturing defects in materials and workmanship. The warranty covers replacement or repair at our discretion. Proper installation by a qualified technician and adherence to the recommended maintenance schedule are required for warranty validity.
Shipping and Delivery
In-stock items ship within 24-48 hours via express freight (DHL, FedEx, or UPS). Standard delivery time is 5-10 business days worldwide. Expedited shipping options are available upon request. All shipments are fully insured and include tracking information.
Why Choose Our Products?
- Direct OEM replacement with guaranteed fitment and performance
- Rigorous quality testing before shipment
- Competitive pricing with factory-direct supply chain
- Technical support available for installation and troubleshooting
- Proven reliability with thousands of units supplied worldwide
Related Product Images
