Product Overview

This genuine shuttle spool is a critical hydraulic control component designed for Hitachi excavators. Engineered for precise directional flow control within the main control valve, it ensures smooth and responsive machine operation. We supply this high-quality spare part to a global network of distributors, equipment owners, and repair workshops, with major markets including North America, Europe, the Asia-Pacific region, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and optimal hydraulic performance.
• Superior Durability: Constructed from high-grade materials to withstand high pressure and resist wear, ensuring a long service life.
• Restored Machine Performance: Replaces worn spools to eliminate sluggish or erratic implement movement, restoring precise control and efficiency.
• Reliable Sealing: Designed to work seamlessly with valve seals, minimizing internal leakage and maintaining system pressure.
• Cost-Effective Maintenance: A direct replacement part that avoids the high cost of complete valve assembly replacement, reducing machine downtime.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM numbers:

• Hitachi: 4453820, 4453819

Always verify the part number from your original component or machine’s service manual before ordering.

Compatibility

This shuttle spool is compatible with the following Hitachi excavator models:

• Hitachi ZX120
• Hitachi ZX200-5A
• Hitachi ZX330-5A

It is designed for machines within the standard production years for these model series. For exact fitment confirmation, please provide your machine’s serial number.

Global Supply & Distribution

We are a trusted global supplier of heavy equipment parts. Our logistics network ensures reliable worldwide shipping to key industrial hubs and ports.

• Worldwide Shipping: We export to North America (USA, Canada, Mexico), South America, Europe (EU, UK), Asia (Middle East, Southeast Asia, Australia), and Africa.
• Efficient Logistics: We offer various shipping methods (air, sea, express courier) for fast delivery to major ports like Los Angeles, Rotterdam, Singapore, and Dubai.
• Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) for smooth customs clearance.
• B2B Focus: We specialize in bulk orders for distributors and large-scale repair operations, offering competitive tiered pricing.

Quality Assurance

• OEM Standard: Parts are manufactured to meet or exceed original equipment specifications for dimensions, hardness, and surface finish.
• Rigorous Inspection: Each spool undergoes dimensional checks and visual inspection to ensure it is free from defects.
• Performance Guarantee: This part is guaranteed to fit and function as intended when installed correctly in compatible machinery.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms.

FAQ

Q1: How can I confirm this spool is the correct part for my specific Hitachi excavator?
A1: The most reliable method is to cross-reference the part number stamped on your original spool or listed in your machine’s official service parts manual with our listed numbers (4453820 or 4453819). Providing your machine’s model and serial number to our technical team can also help confirm compatibility.

Q2: What are the symptoms of a failing shuttle spool?
A2: Common signs include slow or unresponsive implement movement (boom, arm, bucket), the implement drifting or sagging when not in use, uneven or jerky operation, and increased hydraulic system heat due to internal leakage.

Q3: Is any special preparation required before installing this new spool?
A3: Yes. Critical steps include thoroughly cleaning the valve body bore, using new seals and O-rings, and ensuring the hydraulic fluid is clean and free of contamination. The spool should be lightly lubricated with clean hydraulic oil during installation to prevent scoring. We recommend installation by a qualified technician familiar with hydraulic systems.

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 .