
Product Overview
This is a premium replacement Valve Seat engineered for the ISUZU 4HE1 diesel engine. Manufactured to exact OEM specifications, this component is essential for maintaining optimal engine compression, heat dissipation, and valve sealing integrity. We supply this critical part globally to distributors, workshops, and fleet operators in major industrial markets, ensuring reliable performance for heavy-duty applications.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and seamless installation, eliminating downtime.
- Superior Durability: Crafted from high-grade materials to withstand extreme temperatures and pressures within the 4HE1 diesel combustion chamber.
- Optimal Heat Transfer: Designed for efficient heat dissipation away from the valve head, prolonging the life of both the valve and the seat.
- Enhanced Seal & Compression: Ensures a perfect seal between the valve and cylinder head, maintaining critical engine compression for maximum power and fuel efficiency.
- Cost-Effective Solution: Offers the performance of genuine parts at a competitive price, providing excellent value for maintenance and overhaul projects.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 8-94399-148-0 |
| Engine Model | ISUZU 4HE1 |
| Engine Type | Diesel |
| Component Type | Valve Seat |
| Size / Dimensions | OEM Standard Size |
| Weight (Approx.) | 1 kg |
| Quality Documentation | Machinery Test Report, Video Outgoing-Inspection Provided |
| Warranty | 6 Months |
| Place of Origin | Guangdong / Guizhou, China |
OEM Cross-Reference
This part is a direct replacement for the following OEM number:
- ISUZU: 8-94399-148-0
Note: Always verify part number compatibility with your specific engine serial number before purchase.
Compatibility
This Valve Seat is specifically designed for the ISUZU 4HE1 diesel engine. This engine is commonly found in a wide range of heavy machinery and commercial vehicles, including:
- Excavators
- Trucks & Dump Trucks
- Forklifts
- Bulldozers
- Buses & Coaches
- Loaders (Wheel Loaders, etc.)
- Other Industrial and Construction Equipment
Global Supply & Distribution
We are a trusted B2B supplier for the global automotive aftermarket. Our logistics network ensures efficient delivery to key industrial regions worldwide.
- Worldwide Shipping: We export via air and sea freight to all major continents.
- Major Markets Served: North America, European Union, United Kingdom, Asia-Pacific (Australia, Japan, Southeast Asia), Middle East, Africa, and South America.
- Fast Port Delivery: Consolidated shipments to major hubs like Rotterdam, Los Angeles, Singapore, Dubai, and Sydney for local distribution.
- Export Compliance: All shipments are prepared with professional commercial invoices, packing lists, and comply with international trade regulations for smooth customs clearance.
Quality Assurance
Our commitment to quality ensures you receive reliable engine components.
- Manufacturing Standards: Produced in ISO-certified facilities using precision machining and quality-controlled materials.
- Rigorous Testing: Each batch undergoes stringent machinery tests and video-recorded outgoing inspections to verify dimensions, material integrity, and performance.
- Warranty Backed: Supported by a 6-month warranty against manufacturing defects, providing peace of mind for your business.
FAQ
Q1: How do I confirm this valve seat is compatible with my specific ISUZU 4HE1 engine?
A1: The primary identifier is the part number 8-94399-148-0. We recommend cross-referencing this number with your engine’s service manual or the original part removed. For critical applications, providing your engine’s serial number to your parts specialist is always advised.
Q2: What is the recommended installation procedure for this valve seat?
A2: Valve seat installation requires specialized tools and expertise. The cylinder head must be machined to the correct specification, and the seat must be pressed in with precise interference fit. We recommend installation by a qualified diesel engine mechanic to ensure proper alignment, sealing, and cooling.
Q3: Do you supply matching valves or complete valve train kits for the 4HE1 engine?
A3: Yes, we supply a comprehensive range of compatible engine components, including valves, guides, springs, and keepers. Contact our sales team for a complete valve train kit or a customized parts list for your engine overhaul project.
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 .