Product Overview

This premium cylinder head gasket is a direct OEM replacement for the Isuzu 4JJ1 engine series, engineered to restore and maintain optimal engine sealing and performance. We specialize in the global supply of high-quality engine components, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with reliable shipping and logistics support for B2B clients.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and reliable seal, preventing coolant and compression leaks.
• Enhanced Durability: Constructed from multi-layer steel (MLS) or high-grade composite materials designed to withstand extreme temperatures and pressures within the 4JJ1 engine.
• Optimal Thermal & Chemical Resistance: Formulated to resist degradation from engine oils, coolants, and combustion byproducts, ensuring long-term reliability.
• Restores Engine Performance: Correct installation ensures proper compression ratios, maintains coolant integrity, and prevents cross-contamination of fluids.
• Cost-Effective Solution: A high-quality aftermarket alternative that delivers OEM-level performance, reducing downtime and maintenance costs for fleet operators and workshops.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM numbers:

• Isuzu: 8-98291685-0, 8982916850

Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This cylinder head gasket is designed for the Isuzu 4JJ1-TC, 4JJ1-TCX, and related 4JJ1 series diesel engines. These engines are commonly found in:

• Isuzu Trucks: N-Series (NPR, NQR, NRR), F-Series (FSR, FTR)
• Isuzu Vehicles: Various bus and utility vehicle models equipped with the 4JJ1 powerplant.
• Industrial & Generator Sets: Stationary and mobile industrial applications.

Typical model years range from the early 2000s to present for applicable vehicles. Compatibility can vary; confirming the engine model and existing part number is essential.

Global Supply & Distribution

We are a trusted supplier in the global automotive aftermarket, equipped to meet the demands of international B2B buyers.

• Worldwide Shipping: We export to all major regions, including North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, the Middle East (UAE, Saudi Arabia), and Southeast Asia.
• Efficient Logistics: Fast container (FCL/LCL) and air freight services to key industrial ports and logistics hubs, ensuring timely delivery to your warehouse or facility.
• Trade Compliance: All shipments are prepared with professional commercial invoices, packing lists, and comply with international export regulations and customs documentation requirements.
• Bulk Order Support: Dedicated support for large-volume purchases, wholesale pricing, and consistent supply chain management for distributors and large workshops.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using precision tooling and strict quality control protocols to meet or exceed OE performance benchmarks.
• Rigorous Testing: Each batch undergoes dimensional checks, material analysis, and pressure testing to ensure integrity and leak-proof performance under simulated engine conditions.
• Warranty: Backed by a standard warranty against manufacturing defects. Specific warranty terms are provided with the commercial invoice.

FAQ

Q1: How do I confirm this head gasket fits my specific Isuzu 4JJ1 engine?
A: The most reliable method is to match the part number stamped on your original gasket or listed in your engine’s service manual to our primary part number 8-98291685-0 or its alternative 8982916850. Also, verify your engine model code (4JJ1-TC, etc.) and serial number.

Q2: What is the recommended procedure for installing this head gasket?
A: Installation must follow the engine manufacturer’s official service manual. Critical steps include ensuring the cylinder head and block surfaces are perfectly clean, flat, and free of scratches; using the correct torque sequence and specification; and replacing stretch bolts/head bolts as required. Never reuse an old head gasket.

Q3: Do you supply installation kits or related components?
A: Yes, we often supply complementary components for a complete repair. For a cylinder head gasket replacement, we recommend also inspecting and potentially replacing the cylinder head bolts, valve cover gasket, and intake/exhaust manifold gaskets. Contact our sales team for kit availability.

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 .