Product Overview

This premium Engine Liner Kit is engineered for ISUZU 4JA1, 4JB1, and 4JG2 diesel engines, providing a complete solution for major overhauls and rebuilds. We specialize in supplying high-quality engine components to the global B2B market, with extensive experience in exporting to major industrial hubs across North America, Europe, the Asia-Pacific region, and the Middle East.

Key Features & Benefits

• Premium Material Construction: Manufactured from high-grade cast iron alloys for superior thermal stability and wear resistance, ensuring extended engine life.
• Precision Engineering: Components are machined to exact OEM tolerances, guaranteeing perfect fitment and optimal compression for restored engine performance.
• Complete Overhaul Solution: The kit provides all necessary liner and piston components for a comprehensive engine rebuild, reducing downtime and simplifying procurement.
• Enhanced Durability: Designed to withstand high cylinder pressures and thermal stresses common in commercial and industrial ISUZU applications.

Technical Specifications

OEM Cross-Reference

This high-quality aftermarket kit is designed as a direct replacement for original ISUZU components. It is cross-compatible with a range of OEM part numbers used in global markets. For precise verification, please consult your engine serial number or contact our technical support with your specific requirements.

Compatibility

Engine Models: This liner kit is specifically engineered for the ISUZU 4JA1, 4JB1, and 4JG2 series of 4-cylinder diesel engines.

Vehicle & Equipment Applications: Commonly found in ISUZU trucks (e.g., NPR, NQR, FSR series), buses, and industrial power units. Ideal for engine rebuild shops, fleet maintenance operations, and heavy equipment service centers worldwide.

Global Supply & Distribution

We are a trusted global supplier for automotive and industrial parts distributors. Our logistics network ensures reliable shipping to key ports and industrial centers in:

• North America: Major hubs in the USA and Canada.
• Europe: Efficient delivery to the EU, UK, and Eastern Europe.
• Asia-Pacific: Strong supply chain to Southeast Asia, Australia, and Japan.
• Middle East & Africa: Extensive experience supplying to the GCC and major African markets.

We handle all export documentation, customs compliance, and international trade regulations to ensure a smooth transaction for our B2B clients.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using advanced precision machining and quality control processes.
• Rigorous Testing: All critical components undergo dimensional checks, hardness testing, and surface finish analysis to meet or exceed performance specifications.
• Warranty: Backed by a standard warranty against manufacturing defects. Specific warranty terms are provided with the commercial invoice and are tailored for B2B partnerships.

FAQ

Q1: Is this a complete kit for a 4-cylinder engine rebuild?
A1: Yes, this kit is designed as a complete set for one engine, typically including cylinder liners, pistons, rings, and related components for all four cylinders of the ISUZU 4JA1/4JB1/4JG2 engine. Please confirm the exact contents with the product listing or our sales team for your specific order.

Q2: What is the recommended installation procedure for these liners?
A2: Professional installation is required. The cylinder block must be machined (bored/honed) to the precise specification for the new dry liners. Proper cleaning, sealing (if applicable), and torque procedures must be followed as per the engine manufacturer’s workshop manual to ensure optimal performance and longevity.

Q3: Are these components suitable for high-mileage or performance applications?
A3: Absolutely. These liners and pistons are manufactured from durable materials designed to restore factory performance and reliability. They are an ideal solution for commercial fleet rebuilds, ensuring the engine meets its original design specifications for power and durability under demanding operating conditions.

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 .