Product Overview

This is a genuine, high-performance hydraulic relief valve designed for Hitachi construction machinery. As a leading global supplier of heavy equipment parts, we provide reliable components for major markets worldwide, including North America, Europe, Asia-Pacific, and the Middle East. This valve is engineered to meet the rigorous demands of professional excavator operation, ensuring optimal hydraulic system pressure control and protection.

Key Features & Benefits

• OEM Quality: Manufactured to original Hitachi specifications for perfect fit and reliable performance.
• Precision Engineering: Ensures accurate pressure relief to protect sensitive hydraulic system components from damage due to overpressure.
• Enhanced Durability: Constructed from high-grade materials to withstand high pressures, temperature fluctuations, and harsh operating environments.
• System Protection: Safeguards pumps, cylinders, and valves by preventing pressure spikes, reducing downtime and repair costs.
• Optimized Performance: Maintains consistent hydraulic pressure for smooth and efficient operation of the excavator’s functions.

Technical Specifications

OEM Cross-Reference

This valve directly replaces the following OEM part numbers:

• Hitachi: YA00011313
• Common Cross-References: 4654860, 4654858, 4372038

Please verify the specific part number from your machine’s hydraulic schematic or existing valve for confirmation.

Compatibility

This hydraulic relief valve is compatible with the following Hitachi excavator models:

• Hitachi ZX200-5G
• Hitachi ZX330-5G
• May also fit other ZX-5G series models with similar hydraulic configurations. Always confirm compatibility using your machine’s serial number.

Global Supply & Distribution

We specialize in the international distribution of heavy machinery parts. Our logistics network ensures efficient delivery to key industrial hubs and ports globally.

• Worldwide Shipping: We export to all major continents, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Singapore, Japan), and the Middle East (UAE, Saudi Arabia).
• Fast Delivery: Consolidated air and sea freight options to major ports (Rotterdam, Los Angeles, Singapore, Dubai) with reliable inland forwarding.
• Export Expertise: Fully compliant with international trade regulations. We provide all necessary commercial documentation (Packing List, Commercial Invoice, Certificate of Origin) for smooth customs clearance.

Quality Assurance

• Manufacturing Standard: Produced following stringent quality control protocols to match OEM performance and dimensional specifications.
• Testing: Each valve undergoes functional pressure testing to ensure it activates at the specified relief setting.
• Warranty: Backed by a standard 12-month warranty against manufacturing defects, providing peace of mind for your operations.

FAQ

Q1: How do I confirm this valve is the correct part for my Hitachi ZX330-5G?
A1: The most reliable method is to cross-reference the part number stamped on your existing valve. Match it with the numbers listed in the OEM Cross-Reference section above. Providing your machine’s model, series (5G), and serial number to our technical team can also help verify fitment.

Q2: What is the primary function of this relief valve in the hydraulic system?
A2: This valve acts as a critical safety device. It is set to open at a predetermined maximum pressure, diverting hydraulic fluid back to the tank to prevent excessive pressure from damaging pumps, control valves, cylinders, and hoses, thereby protecting the entire system.

Q3: Is this a direct bolt-on replacement, or are adjustments needed after installation?
A3: This is a direct OEM replacement designed for a precise fit. However, after installing any new relief valve, it is a standard and crucial maintenance procedure to check and, if necessary, calibrate the system’s relief pressure using proper gauges to ensure it meets the machine’s technical specifications.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .