Product Overview

This is a premium, original specification piston ring set engineered for the ISUZU 4JJ1 and 4JJ1-T diesel engines. Manufactured to exacting Japanese standards, this critical component set is essential for restoring engine compression, oil control, and overall performance. We supply this genuine-quality part globally, with established logistics to major markets including North America, Europe, Asia-Pacific, and the Middle East, ensuring reliable delivery for workshops, fleet operators, and parts distributors worldwide.

Key Features & Benefits

• Original Japanese Quality: Manufactured with precision-grade materials and coatings to match OEM performance and durability specifications.
• Optimal Sealing & Compression: Ensures perfect cylinder sealing to restore engine power, fuel efficiency, and reduce blow-by.
• Superior Oil Control: Precision-designed oil rings minimize oil consumption and prevent smoke, protecting the engine and emissions systems.
• Enhanced Durability: High-grade materials resist wear and scuffing, extending engine life and service intervals.
• Precision Fitment: Engineered for exact installation into 4JJ1/4JJ1-T engine blocks without modification, ensuring a reliable rebuild.

Technical Specifications

OEM Cross-Reference

This piston ring set corresponds directly to the following OEM part numbers:

• ISUZU: 8-98057222-0 (Primary)
• ISUZU: 8980572220

Compatibility

This piston ring set is designed specifically for the following engine applications:

• Engine Models: ISUZU 4JJ1 (Naturally Aspirated), ISUZU 4JJ1-T / 4JJ1TC (Turbocharged)
• Common Vehicle Applications: Fitted in various ISUZU trucks and commercial vehicles, including models like the ISUZU N-Series (NPR, NQR, NRR) and D-MAX in certain markets.
• Note: Always verify the specific engine serial number and model year for final compatibility before purchase, as minor variations can exist.

Global Supply & Distribution

We are a specialist supplier for the global automotive aftermarket. Our operations are optimized for international B2B trade:

• Worldwide Shipping: We export via air and sea freight to all major continents and markets.
• Key Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia & New Zealand, Southeast Asia, the Middle East (UAE, Saudi Arabia), and South Africa.
• Efficient Logistics: We ensure fast delivery to major industrial ports and logistics hubs, with consolidated shipping options available for bulk orders.
• Trade Compliance: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided to ensure smooth customs clearance worldwide.

Quality Assurance

We partner with certified manufacturers to guarantee part integrity and performance.

• Manufacturing Standards: Produced in ISO-certified facilities using OEM-grade specifications for materials, dimensions, and heat treatment.
• Rigorous Testing: Components undergo dimensional inspection, material hardness testing, and surface finish analysis to ensure perfect fit and function.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q1: Is this a genuine ISUZU part or an aftermarket equivalent?
A1: This is an original specification part manufactured to the exact same technical drawings and material standards as the genuine ISUZU component. It carries the correct OEM part number (8-98057222-0) for perfect compatibility.

Q2: Does this set include rings for all cylinders of a 4-cylinder 4JJ1 engine?
A2: This listing is typically for a single piston ring set, which includes the top compression, second compression, and oil control rings for one cylinder. A complete engine overhaul for a 4-cylinder 4JJ1 will require four (4) of these sets. Please confirm the quantity per package with your sales representative.

Q3: What are the installation tips for these rings?
A3: For optimal performance, always ensure the cylinder bore is within OEM service limits, properly honed, and thoroughly cleaned. Follow the manufacturer’s recommended ring end-gap specification and stagger the ring gaps during installation. Use proper ring installation tools to avoid damage or twisting.

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 .