
Product Overview
This high-performance SCV (Suction Pressure Control Valve) is engineered for Isuzu 6HK1 diesel engines, specifically powering the Hitachi ZX330-5A excavator. As a leading supplier in the global heavy equipment aftermarket, we provide reliable engine components with direct shipping to major industrial hubs across North America, Europe, the Middle East, and Asia-Pacific. This precision valve is essential for maintaining optimal fuel system pressure and ensuring consistent engine power output.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM specifications for a perfect fit and reliable performance, ensuring seamless integration with the 6HK1 fuel system.
- Enhanced Durability: Constructed from high-grade materials to withstand the high-pressure demands and thermal cycles of heavy-duty operation, extending service life.
- Optimal Fuel Control: Precisely regulates suction pressure within the fuel rail, promoting efficient combustion, stable engine idle, and maximum power delivery.
- Prevents Engine Issues: A faulty SCV can lead to power loss, hard starting, and irregular engine performance. This replacement part helps avoid costly downtime.
- Global Compliance: Product is supplied with full traceability and is suitable for international export, meeting the requirements of professional distributors and workshops worldwide.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 8-98145449-1 |
| Alternate Part Number | 8981454491 |
| Part Type | Suction Pressure Control Valve (SCV) |
| Engine Model | Isuzu 6HK1 |
| Primary Application | Hitachi ZX330-5A Excavator |
| Compatibility | Machines equipped with the Isuzu 6HK1 engine |
OEM Cross-Reference
This part is a direct replacement for the following OEM numbers:
- Isuzu: 8-98145449-1
- Alternate Format: 8981454491
Always verify part numbers against your engine’s service manual or existing component before purchase.
Compatibility
This SCV is designed for the Isuzu 6HK1 turbo-diesel engine. Its primary application is for the Hitachi ZX330-5A hydraulic excavator. It is also compatible with other industrial machinery and equipment models that utilize the 6HK1 powerplant. We recommend confirming the engine serial number for absolute fitment assurance.
Global Supply & Distribution
We specialize in the international distribution of heavy equipment engine parts. Our logistics network ensures efficient shipping to key markets:
- Major Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, Middle East, and Africa.
- Fast Delivery: Consolidated and air freight options available to major ports and inland freight hubs for faster turnaround.
- Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is provided for smooth customs clearance worldwide.
- B2B Focus: We support wholesale orders, with dedicated service for machinery dealers, repair workshops, and large fleet operators.
Quality Assurance
- Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machining and quality control protocols.
- Rigorous Testing: Each valve undergoes functional pressure and leak-down testing to ensure it meets or exceeds performance benchmarks.
- Warranty: Backed by a standard warranty against manufacturing defects. Contact our sales team for specific warranty terms applicable to your region.
- Traceability: All parts are sourced from reputable manufacturers with full quality control records.
FAQ
Q1: How do I know if my Isuzu 6HK1 engine needs a new SCV?
A1: Common symptoms of a failing Suction Pressure Control Valve include erratic engine idle, loss of power under load, difficulty starting, and in some cases, diagnostic trouble codes (DTCs) related to fuel rail pressure. A professional diagnostic scan is recommended.
Q2: Is this a direct bolt-on replacement, or is calibration required?
A2: This is a direct physical replacement part. However, after installing a new SCV on some modern diesel systems, it may be necessary to perform an electronic calibration or adaptation procedure using appropriate diagnostic software to ensure optimal performance.
Q3: What is your typical lead time for shipping to [Europe/Middle East/Asia]?
A3: Lead times vary by destination and shipping method. For standard sea freight to major European ports like Rotterdam or Hamburg, expect 25-35 days. Air freight to major hubs in the Middle East or Asia can reduce transit to 5-10 business days. We provide precise quotes upon order confirmation.
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 .