
Product Overview
This genuine Isuzu rocker arm is a critical engine component designed for durability and precise valve actuation in heavy-duty excavators. We supply this high-quality OEM part to B2B clients worldwide, with established distribution networks across North America, Europe, Asia-Pacific, and the Middle East, ensuring reliable delivery to major industrial hubs and ports.
Key Features & Benefits
- Genuine OEM Quality: Manufactured to original Isuzu specifications, ensuring perfect fit, optimal performance, and engine longevity.
- Precision Engineered: Provides accurate valve timing and consistent rocker ratio for reliable engine operation under heavy loads.
- Enhanced Durability: Built from high-grade materials to withstand the high-stress environment of a diesel engine, offering a long service life.
- Direct Replacement: Guaranteed compatibility with specified Isuzu 4HK1 and 6HK1 engines, eliminating fitment issues and downtime.
- Global Availability: Supported by our international logistics, allowing for efficient procurement and supply chain integration for businesses worldwide.
Technical Specifications
| Specification | Detail |
|---|---|
| Primary Part Number | 8-97306421-3 |
| Alternative Part Number | 8973064213 |
| Engine Model | Isuzu 4HK1, 6HK1 |
| Condition | Genuine (OEM) |
| Place of Origin | Japan |
| Application | Excavator Engine Component |
| Minimum Order Quantity (MOQ) | 1 Piece |
| Advantage | Long-lasting Parts |
OEM Cross-Reference
This genuine Isuzu part is identified by the following OEM numbers. Ensure compatibility by cross-referencing these numbers with your engine’s documentation.
- Isuzu: 8-97306421-3
- Isuzu (Alternate Format): 8973064213
Compatibility
This rocker arm is designed for specific Isuzu industrial engines commonly found in Hitachi excavator models.
- Compatible Engine Models: Isuzu 4HK1, Isuzu 6HK1
- Machine Applications: Hitachi ZX200-3, ZX240, ZX270-3 Excavators (and other equipment utilizing the 4HK1/6HK1 engine platform).
Global Supply & Distribution
We are a specialized supplier for the global heavy equipment aftermarket. Our operations are optimized for international B2B trade, featuring:
- Worldwide Shipping: Reliable export to all major continents including North America, Europe, Asia, Australia, and the Middle East.
- Efficient Logistics: Fast delivery to key ports and industrial centers, with consolidated shipping options available.
- Trade Compliance: All documentation is prepared in accordance with international export regulations for a smooth customs clearance process.
- Bulk & Single Orders: Flexible supply chain capable of handling single-piece prototype orders as well as bulk procurement for fleet maintenance.
Quality Assurance
We guarantee the authenticity and performance of every part we supply.
- Genuine OEM Part: Sourced directly from authorized channels, ensuring 100% compatibility and reliability.
- Inspection & Verification: Each part undergoes visual and dimensional inspection. A Machinery Test Report and video outgoing-inspection are provided upon request.
- Warranty & Support: Backed by a 3-month warranty period. Comprehensive after-warranty support includes video technical assistance for installation and troubleshooting.
FAQ
Q1: Is this rocker arm a direct replacement for the OEM part in my Hitachi excavator?
A1: Yes. This is a genuine Isuzu OEM part (8-97306421-3), making it a direct, bolt-on replacement for the original rocker arm in Hitachi ZX200-3, ZX240, and ZX270-3 excavators equipped with the 4HK1 or 6HK1 engine. No modifications are required.
Q2: What documentation is provided with the part to verify its quality?
A2: We provide a Machinery Test Report for quality verification. Furthermore, we can supply a video outgoing-inspection record upon request, detailing the specific part’s condition and measurements before shipment to ensure it meets OEM specifications.
Q3: Do you offer technical support for installation if we encounter issues?
A3: Absolutely. We provide post-sales video technical support to assist your mechanics with installation queries or troubleshooting. This service is available during and after the 3-month warranty period to ensure your operational success.
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 .