
Product Overview
This premium Rocker Arm Assembly is engineered for Isuzu 4HK1 diesel engines, delivering precise valve actuation for optimal engine performance. We specialize in supplying high-quality replacement parts to a global B2B clientele, including distributors, workshops, and heavy machinery operators across North America, Europe, the Middle East, and Asia-Pacific regions.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM specifications for a perfect fit and reliable operation, ensuring seamless integration with your 4HK1 engine.
- Enhanced Durability: Constructed from high-grade materials to withstand the high-stress environment of diesel engine valve trains, offering extended service life.
- Optimized Performance: Ensures accurate valve timing and lift, contributing to consistent engine power, fuel efficiency, and reduced emissions.
- Rigorous Quality Control: Each assembly undergoes thorough inspection and testing to meet stringent performance standards before shipment.
- Global Compliance Ready: Packaged and documented for smooth international shipping and customs clearance to major industrial hubs worldwide.
Technical Specifications
| Specification | Detail |
|---|---|
| Primary Part Number | 8973064213 |
| Compatible Engine Model | Isuzu 4HK1 |
| Part Type | Rocker Arm Assembly |
| Engine Type | Diesel |
| Application | Construction, Industrial Machinery, Agriculture, Gensets, Marine, Material Handling |
| Size / Dimensions | OEM Standard Size |
| Weight (Approx.) | 6 kg |
| Warranty | 6 Months |
| Packing | Plastic Bag, Box, Carton (Export Standard) |
| Place of Origin | Guangdong, China |
OEM Cross-Reference
This assembly is a direct replacement for the following OEM and alternative part numbers:
- Isuzu: 8-97306421-3
- Alternative Number: 8-97306424-5
Compatibility
This rocker arm assembly is designed specifically for the Isuzu 4HK1 diesel engine. This engine is commonly found in a wide range of heavy-duty applications, including:
- Construction Equipment: Excavators, loaders, dump trucks.
- Power Generation: Industrial and standby generator sets (Gensets).
- Marine: Auxiliary and propulsion engines for workboats.
- Material Handling: Large forklifts and port equipment.
- Agricultural Machinery: Tractors and harvesters.
Global Supply & Distribution
We are a trusted partner for international B2B buyers, offering reliable logistics to key markets. Our expertise ensures your order arrives efficiently and compliantly.
- Worldwide Shipping: We export to North America (USA, Canada, Mexico), South America, Europe (EU & UK), the Middle East, Africa, and Asia-Pacific (Australia, Southeast Asia).
- Fast Delivery Network: Consolidated shipments to major ports like Los Angeles, Rotterdam, Dubai, Singapore, and Sydney, with onward logistics support.
- Export Excellence: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided for hassle-free customs clearance.
- Bulk & Container Orders: Optimized packing for FCL (Full Container Load) and LCL (Less than Container Load) shipments to reduce freight costs.
Quality Assurance
Our commitment to quality ensures you receive parts that meet the demands of professional use.
- OEM-Based Manufacturing: Parts are produced using OEM-grade specifications and tooling where applicable.
- Pre-Shipment Inspection: Every batch undergoes visual and dimensional checks. Video outgoing-inspection is available upon request for quality verification.
- Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your business.
- Post-Sales Support: After-warranty service includes dedicated online technical support for installation and application queries.
FAQ
Q1: Is this a direct fit for my Isuzu 4HK1 engine, or will it require modification?
A1: This is a direct OEM replacement part. It is manufactured to the exact specifications of the original Isuzu rocker arm assembly (8-97306421-3) and should install without any modification, ensuring proper valve clearance and engine timing.
Q2: What is included in the “Rocker Arm Assembly,” and is it sold as a complete set?
A2: Yes, this is sold as a single, complete assembly as required for the engine. It typically includes the rocker arms, shafts, brackets, and necessary hardware pre-assembled or as a kit to service the entire valve train for one cylinder bank or the entire engine, depending on the specific 4HK1 configuration.
Q3: Do you provide technical support for installation and troubleshooting?
A3: Absolutely. We provide online support for our B2B clients. This includes access to installation guidelines, torque specifications, and basic troubleshooting assistance. For complex issues, we can help connect you with relevant technical resources.
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 .