Product Overview

This genuine NPR piston ring set (Part Number: SJI10163ZZ) is engineered for optimal performance in Isuzu 6HH1 diesel engines. As a leading supplier in the global heavy-duty aftermarket, we provide direct, reliable access to high-quality engine components, serving major markets across North America, Europe, Asia-Pacific, and the Middle East. This product is essential for engine rebuilds, overhauls, and maintenance, ensuring restored compression and oil control.

Key Features & Benefits

• Genuine NPR Quality: Manufactured to original equipment specifications for guaranteed fit, performance, and durability.
• Superior Sealing: Precision-engineered rings restore cylinder compression, maximize engine power, and improve fuel efficiency.
• Optimal Oil Control: Designed to manage oil consumption effectively, reducing smoke and emissions for cleaner operation.
• Enhanced Durability: Made from high-grade materials to withstand the high temperatures and pressures of diesel combustion.
• Complete Set: Includes all necessary rings (compression and oil rings) for a full piston assembly, ensuring a proper seal.

Technical Specifications

OEM Cross-Reference

This NPR piston ring set directly replaces the following OEM and aftermarket part numbers:

• Primary OEM: 8-98023-526-0 (Isuzu)
• NPR: SJI10163ZZ
• Compatible with major aftermarket brands including NPR/Tok, Riken, and Izumi.

Compatibility

This piston ring set is designed specifically for the Isuzu 6HH1 diesel engine. This engine is commonly found in a range of Isuzu commercial vehicles and industrial equipment, including:

• Isuzu Forward / Elf trucks (specific models equipped with the 6HH1 engine)
• Isuzu Giga trucks
• Industrial and generator applications utilizing the 6HH1 power unit.

Note: Always verify your engine’s serial number and existing part numbers before purchase to ensure correct fitment.

Global Supply & Distribution

We specialize in the international export of genuine automotive engine parts. Our streamlined logistics ensure reliable delivery to key industrial hubs and ports worldwide.

• Worldwide Shipping: We export to all major continents, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands, Poland), Asia-Pacific (Australia, Japan, Singapore, Thailand), the Middle East (UAE, Saudi Arabia), and South America.
• Fast Delivery Network: Efficient shipping via air and sea freight to major ports like Los Angeles, Rotterdam, Singapore, Jebel Ali, and Sydney.
• Export Compliance: All shipments are prepared with complete commercial invoices, packing lists, and comply with international trade regulations for smooth customs clearance.
• B2B Focus: We support wholesalers, distributors, repair shops, and fleet operators with competitive MOQs and dedicated customer service.

Quality Assurance

• Genuine Component: This is not an imitation; it is a genuine NPR part, ensuring perfect OEM fit and performance.
• Manufacturing Standards: Produced in ISO-certified facilities using precision machining and strict quality control protocols.
• Rigorous Testing: Each ring set undergoes dimensional checks, material analysis, and performance validation to meet or exceed OE specifications.
• Warranty: Backed by a standard manufacturer’s warranty against defects in materials and workmanship. Contact us for specific warranty terms applicable to your region.

FAQ

Q1: Is this a complete set for one piston or for the entire engine (6 cylinders)?
A1: This part number (SJI10163ZZ) typically refers to a set for one piston. For a complete 6-cylinder Isuzu 6HH1 engine overhaul, you will need to order six (6) sets. Please confirm the exact contents with your sales representative before placing a bulk order.

Q2: Can these rings be used if my engine block or cylinders have been re-bored?
A2: No. Genuine OEM-specification piston rings like the SJI10163ZZ are designed for standard bore sizes. If your engine block has been re-bored or honed, you must purchase oversized piston rings that match the new bore diameter precisely. Using standard rings on an oversized bore will cause severe compression loss and oil consumption.

Q3: What are the signs that my Isuzu 6HH1 needs new piston rings?
A3: Common symptoms include excessive blue or gray smoke from the exhaust (especially under acceleration), high oil consumption between changes, loss of engine power and compression, and in some cases, poor starting. A compression test or leak-down test can definitively diagnose worn piston rings.

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 .