Product Overview

This listing is for a genuine, high-quality piston assembly kit designed specifically for the Isuzu 4JB1T-B(M) engine, commonly found in the NKR55 series. We are a leading global supplier of OEM and aftermarket engine components, serving major markets across North America, Europe, Asia-Pacific, the Middle East, and Africa. Our products are shipped worldwide with a focus on fast, reliable delivery to key industrial ports and logistics hubs.

Key Features & Benefits

• Genuine Quality: Manufactured to meet or exceed original equipment specifications for precise fit and reliable performance.
• Complete Kit: Includes the piston, piston pin, and lock rings for a complete assembly solution.
• Enhanced Durability: Engineered from high-grade materials to withstand high compression and thermal stress, ensuring long service life.
• Optimal Performance: Maintains factory compression ratios and combustion efficiency for restored engine power and fuel economy.
• Direct Replacement: Designed as a direct OEM replacement, ensuring hassle-free installation without modifications.

Technical Specifications

OEM Cross-Reference

This genuine piston kit directly replaces the following OEM and aftermarket part numbers:

• Isuzu: 8-97108621-0, 8971086210
• Supplier Code: WTP025

Compatibility

This piston kit is engineered for the following specific application:

• Engine Model: Isuzu 4JB1T-B(M) diesel engine.
• Vehicle Application: Primarily used in the Isuzu NKR55 series of light-duty trucks.
• Note: Always verify your engine’s serial number and existing part numbers before purchase to ensure correct fitment. This part is for the turbocharged 4JB1T-B(M) variant.

Global Supply & Distribution

We specialize in the international B2B supply of automotive engine parts. Our streamlined logistics network ensures efficient shipping to all major global markets.

• Worldwide Shipping: We export to North America (USA, Canada, Mexico), South America, the European Union, the United Kingdom, the Middle East (UAE, Saudi Arabia), Asia (Singapore, Japan, Australia), and Africa.
• Fast Delivery: Consolidated shipments to major ports like Los Angeles, Rotterdam, Singapore, Dubai, and Sydney for faster regional distribution.
• Export Compliance: All documentation, including commercial invoices, packing lists, and certificates of origin, is provided to ensure smooth customs clearance.
• Bulk & Wholesale: We cater to workshops, rebuilders, and parts distributors with competitive pricing for container and pallet quantities.

Quality Assurance

We stand behind the quality and performance of every part we supply.

• Manufacturing Standard: Produced following strict ISO-quality controlled processes to ensure dimensional accuracy and material integrity.
• Rigorous Testing: Components undergo material hardness testing, dimensional checks, and visual inspections to confirm they meet OEM specifications.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q: Is this piston kit suitable for both overhaul and emergency repair jobs?
A: Yes. This genuine piston kit is designed as a complete assembly for both full engine overhauls and for replacing damaged pistons in specific cylinders during repairs. Always replace piston rings and inspect the cylinder liner concurrently.

Q: Do I need to purchase the piston pin and locks separately?
A: No. This listing is for a complete kit that includes the piston, the piston wrist pin, and the corresponding lock (circlip) rings, providing all necessary components for the piston assembly.

Q: How can I verify this part fits my Isuzu 4JB1 engine before ordering?
A: The most reliable method is to cross-reference the part number stamped on your original piston or listed in your engine’s service manual with our listed OEM numbers (8-97108621-0, 8971086210). Additionally, confirm your engine is the 4JB1T-B(M) turbocharged model used in the NKR55 chassis.

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 .