ranroswang@hksparkling.com 
+86 138 2341 8469
4433970 Control Valve Compatible with Hitachi Excavators ZX330 ZX350H ZX370MTH ZX500W
The 4433970 control valve is a core hydraulic regulation component tailored for Hitachi ZX330/ZX350H/ZX370MTH/ZX500W excavators.
Key Features
· Precise proportional control for responsive operator input and stable attachment movement
· OEM-matched specifications to fit Hitachi target excavator models seamlessly
· Durable structure resistant to high pressure, vibration, and dust in harsh job sites
· Leak-proof design to avoid hydraulic fluid loss and maintain system efficiency
· Supports multi-way hydraulic regulation, adapting to complex working conditions
Compatible Models
· Hitachi Excavators:
ZX330, ZX330-3G, ZX330LC-3G
ZX350H, ZX350H-3G, ZX350K, ZX350K-3G, ZX350LC-7M, ZX350-6
ZX370MTH
ZX500W
· John Deere Excavators:
330C, 370C, 3554
· Interchangeable Part Numbers: 4433970 (compatible with KPM main control valve assemblies for Hitachi series)
Thank you for placing your valuable trust in SPARKLING MACHINERY—your confidence is the foundation of our commitment to delivering reliable hydraulic components for Hitachi excavators. Today, we’re proud to present the 4433970 control valve, engineered to match Hitachi’s strict OEM standards for ZX330/ZX350H/ZX370MTH/ZX500W models. This valve combines precise hydraulic regulation and rugged durability to ensure your equipment’s attachments operate smoothly, even in intense mining or construction scenarios.
The SPARKLING MACHINERY NEW 4433970 Control Valve Photo:
Why Choose the SPARKLING 4433970 Control Valve?
- Direct-fit compatibility: Precisely replicates the mounting points, interface specs, and hydraulic parameters of Hitachi’s original control valve, ensuring seamless integration with target models without modifications.
- Precision control: Optimized internal structure enables proportional fluid flow regulation, reducing attachment jitter and improving operation accuracy for digging, lifting, and rotation tasks.
- Rigorous quality: Each unit undergoes high-pressure testing (adapting to excavators’ working hydraulic pressure) and leak detection, complying with ISO 9001 and Hitachi OEM quality standards—withstands 8,000+ hours of heavy-duty use.
- Professional support: Our technical team provides comprehensive installation guidance (aligned with Hitachi’s maintenance protocols), hydraulic system debugging tips, and troubleshooting assistance for a hassle-free experience.
- Cost-effective reliability: Offers OEM-level performance at a competitive price (vs. genuine Hitachi parts), with a durable design and 12-month warranty that reduces long-term maintenance and replacement costs for your fleet.
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.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation
🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
foreverlucia1
Whatsapp: +8613609010879