
Product Overview
This premium Cylinder Head Gasket is engineered for the Isuzu 4HG1 diesel engine, a core component for maintaining optimal compression and preventing coolant/oil leaks. As a leading global supplier of heavy-duty engine parts, we provide reliable OEM-quality components with direct shipping to major industrial hubs across North America, Europe, Asia-Pacific, and the Middle East, ensuring timely delivery for your fleet maintenance and repair operations.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and reliable sealing performance.
- Superior Durability: Constructed from multi-layer steel (MLS) or high-grade composite materials designed to withstand high compression and thermal cycling in diesel engines.
- Optimal Heat & Pressure Resistance: Ensures a stable seal between the cylinder head and engine block under extreme operating conditions.
- Prevents Fluid Contamination: Critical for separating combustion chambers, coolant passages, and oil galleries to maintain engine integrity and performance.
- Direct Replacement: A direct-fit, aftermarket equivalent that eliminates downtime, offering excellent value without compromising on quality.
Technical Specifications
| Specification | Detail |
|---|---|
| Core Part Number | 8-97349489-0 |
| Engine Model | Isuzu 4HG1 |
| Part Type | Cylinder Head Gasket Set |
| Application | Diesel Engine |
| Material | High-Grade Composite / Multi-Layer Steel (MLS)* |
| Condition | New, Aftermarket (OEM Quality) |
*Note: Specific material composition may vary by production batch, designed to meet or exceed OEM performance standards.
OEM Cross-Reference
This part is a direct replacement for the following OEM numbers:
- Isuzu: 8-97349489-0 (Primary Reference)
- Compatible with other aftermarket and OE-equivalent part numbers for the 4HG1 engine.
Compatibility
This cylinder head gasket is specifically designed for the Isuzu 4HG1 diesel engine. This engine is commonly found in:
- Isuzu NPR, NQR, and FSR series trucks.
- Various industrial and generator set applications.
- Models typically from the late 1990s to 2000s. Always verify your engine serial number and existing part number for exact fitment before ordering.
Global Supply & Distribution
We specialize in the international export of automotive engine components. Our streamlined logistics ensure efficient delivery worldwide.
- Worldwide Shipping: We ship to all major markets, including North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, Southeast Asia, the Middle East, and South America.
- Fast Port Delivery: Consolidated container and air freight services to major ports and logistics hubs (e.g., Los Angeles, Rotterdam, Singapore, Dubai, Sydney) for faster clearance and onward distribution.
- Export Expertise: All documentation (commercial invoice, packing list, certificate of origin) is provided for smooth customs clearance. We are experienced in Incoterms such as FOB, CIF, and DAP.
Quality Assurance
- Manufacturing Standards: Produced in ISO-certified facilities using precision tooling and quality-controlled materials.
- Rigorous Testing: Each batch undergoes dimensional checks and material analysis to ensure compliance with strict sealing and durability requirements.
- Warranty: Backed by a standard warranty against manufacturing defects. Specific warranty terms are provided with the commercial invoice.
FAQ
Q1: Is this a direct fit for my Isuzu 4HG1 engine, or will it require modification?
A1: This is a direct OEM-replacement part. It is engineered to the exact specifications of the original Isuzu gasket (8-97349489-0) and should require no modification for a proper fit, assuming the cylinder head and engine block surfaces are within serviceable condition and have been properly machined.
Q2: What is the recommended procedure when installing this head gasket?
A2: For a reliable seal, always ensure the cylinder head and engine block mating surfaces are clean, flat, and free of scratches or old gasket material. Follow the manufacturer’s specific torque sequence and tightening specifications in the service manual. Using a calibrated torque wrench is critical. We recommend consulting a professional mechanic for installation.
Q3: Do you supply technical specifications or installation guides with the part?
A3> While the part itself is supplied as a standalone component, we can often provide basic technical data sheets upon request. For detailed installation procedures and torque specs, you must refer to the official Isuzu service manual for the 4HG1 engine model, as these are vehicle and application-specific.
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 .