Product Overview

This is a genuine, high-performance piston ring set designed as a direct replacement for the Isuzu 4JB1 and 4JB1T diesel engines. Engineered to meet or exceed OEM specifications, this part ensures optimal compression, oil control, and engine longevity. We specialize in the global distribution of heavy-duty engine components, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with reliable shipping and export compliance.

Key Features & Benefits

• Genuine Quality: Manufactured to original equipment specifications for a perfect fit and reliable performance.
• Enhanced Durability: Constructed from premium materials to withstand high temperatures and pressures, ensuring long service life and reduced oil consumption.
• Optimal Engine Performance: Restores cylinder compression and sealing, leading to improved power output, fuel efficiency, and reduced emissions.
• Precision Engineering: Exact 93mm diameter ensures proper seating and ring gap for reliable operation in demanding conditions.
• Global Availability: Stocked for fast international dispatch to support repair shops, fleet operators, and heavy equipment dealers worldwide.

Technical Specifications

OEM Cross-Reference

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

• Isuzu: 8942478670
• SDI: SDI10160ZZ

Compatibility

This piston ring is specifically engineered for the following applications:

• Engine Models: Isuzu 4JB1, Isuzu 4JB1T (Turbo)
• Vehicle/Equipment Application: Primarily used in Isuzu commercial trucks, buses, and excavators powered by the 4JB1 series engine.
• Note: Always verify your engine’s serial number and existing part number before purchase to ensure correct fitment.

Global Supply & Distribution

We are a trusted B2B supplier for the global automotive aftermarket. Our logistics network ensures efficient delivery to key industrial hubs and ports worldwide.

• Worldwide Shipping: We export to North America, South America, Europe, Africa, the Middle East, and Asia-Pacific.
• Fast Delivery: Consolidated shipments to major ports ensure timely delivery for bulk orders. Standard delivery times apply based on destination.
• Export Expertise: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided for smooth customs clearance in compliance with international trade regulations.

Quality Assurance

We stand behind the quality and performance of our components.

• Manufacturing Standard: Produced using OEM-grade materials and precision machining processes.
• Warranty: Backed by a 3-month warranty from the date of delivery against manufacturing defects.
• Post-Warranty Support: Video technical support is available to assist with installation and troubleshooting.
• Rigorous Testing: Components are inspected for critical dimensions, material integrity, and surface finish to ensure reliable performance.

FAQ

Q1: Is this piston ring set a direct fit for my Isuzu 4JB1 engine?
A1: Yes, this 8942478670 piston ring set is engineered as a direct OEM replacement for the Isuzu 4JB1 and 4JB1T engines. It has the correct 93mm diameter and ring configuration for a proper fit. We recommend measuring your cylinder bore during engine rebuild to confirm specifications.

Q2: What is included in your after-sales support?
A2: Beyond the standard 3-month warranty, we provide video technical support to guide professional mechanics through the installation process. This ensures correct ring gap setting, orientation, and break-in procedures for optimal engine life.

Q3: Do you ship single pieces for sample or urgent repair orders?
A3: Yes, our Minimum Order Quantity (MOQ) is 1 piece, making it ideal for sample testing, urgent repairs, or small workshop needs. For large fleet or wholesale requirements, please contact us for volume pricing and optimized shipping solutions.

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 .