Product Overview

This genuine Isuzu 4HK1/6HK1 Cylinder Head Assembly is engineered to restore peak performance and reliability to your Hitachi excavator. Designed as a direct OEM replacement, this complete assembly includes all necessary valves and springs for a streamlined installation process. We specialize in the global distribution of heavy-duty engine components, serving key markets across North America, Europe, the Asia-Pacific region, and the Middle East with reliable shipping and export compliance.

Key Features & Benefits

• Genuine OEM Quality: Manufactured to original Isuzu specifications, ensuring perfect fitment, optimal compression, and long-term durability.
• Complete Assembly: Includes pre-assembled valves and valve springs, reducing downtime by eliminating the need for separate component sourcing.
• Precision Engineering: Machined to exact tolerances for superior heat dissipation and gas sealing, directly impacting engine efficiency and power output.
• Heavy-Duty Construction: Built from high-grade alloy to withstand the extreme pressures and thermal cycles of demanding excavation work.
• Restored Performance: Replaces worn or cracked heads to eliminate power loss, coolant contamination, and excessive oil consumption.

Technical Specifications

OEM Cross-Reference

This genuine assembly corresponds directly to the original Isuzu part number for the 4HK1 and 6HK1 engine platforms. It is a direct cross-reference for the OEM cylinder head assembly used in the specified Hitachi machinery. Please contact our technical support with your machine’s serial number for precise OEM number verification and alternative part number confirmation.

Compatibility

Compatible Engine Models: Isuzu 4HK1-TC, 6HK1-TC, and related variants.
Compatible Equipment:
• Hitachi ZAX230 Excavator
• Hitachi ZAX240-3 Excavator
Note: Compatibility is dependent on the specific engine serial number. Always verify your engine model and application before ordering.

Global Supply & Distribution

We maintain a robust international supply chain to ensure availability for our global B2B clients. Our logistics network facilitates efficient shipping to major industrial hubs and ports worldwide, including Rotterdam, Los Angeles, Singapore, Dubai, and Hamburg. We have extensive experience in export documentation, customs clearance, and compliance with international trade regulations, ensuring a smooth and reliable delivery process for bulk orders to any destination.

Quality Assurance

Every cylinder head assembly undergoes rigorous quality control checks, including dimensional verification, pressure testing, and visual inspection, to meet strict OEM performance standards. Our components are sourced from certified manufacturers. We stand behind our products with a comprehensive warranty. Detailed warranty terms are provided with each shipment, covering manufacturing defects to ensure complete customer confidence.

FAQ

Q: How do I confirm this cylinder head is the correct part for my specific Hitachi excavator?
A: The most reliable method is to match the engine model (4HK1 or 6HK1) and the machine model (e.g., ZAX230). For absolute certainty, provide your equipment’s serial number or the part number from the original failed head to our support team for cross-verification.

Q: Is this a ready-to-install assembly, or will I need additional components?
A: This is a complete cylinder head assembly that includes the valves and valve springs. However, for a proper engine overhaul, we strongly recommend also replacing the head gasket set, head bolts (if required), and checking associated components like injector sleeves and seals to ensure a reliable, long-lasting repair.

Q: What are the shipping times and options for international B2B orders?
A: We offer flexible shipping solutions via air or sea freight. Lead times vary by destination and order size. Typical sea freight to major ports in North America or Europe takes 25-35 days, while air freight can expedite delivery to 5-10 days. We provide detailed Incoterms (FOB, CIF, DAP) and transparent logistics quotes for all international partners.

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 .