Product Overview

This is a genuine NPR piston ring set, part number YDI10160ZZ, engineered for Isuzu 4HK1T and 4HG1 series diesel engines. As a leading supplier in the global automotive aftermarket, we provide reliable OEM-quality engine components with direct shipping to major industrial hubs across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Genuine NPR Quality: Manufactured to original equipment specifications, ensuring perfect fit and optimal engine performance.
• Enhanced Durability: Precision-engineered from high-grade materials to withstand high compression and thermal stress in diesel applications.
• Optimal Sealing & Oil Control: Designed to maintain cylinder compression, minimize blow-by, and regulate oil consumption for efficient engine operation.
• Reduced Friction: Surface treatments and precise tolerances help minimize wear on cylinder liners and improve fuel economy.
• Complete Set: Includes all necessary compression and oil control rings for a full piston assembly overhaul.

Technical Specifications

OEM Cross-Reference

This genuine NPR part is the direct replacement for the following OEM numbers:

• NPR: YDI10160ZZ
• Isuzu: 8-98023-526-0

Always verify the part number from your original component or engine manual before ordering.

Compatibility

This piston ring set is designed for the following Isuzu diesel engine models:

• Engine Models: 4HK1T, 4HG1
• Common Applications: These engines are widely used in Isuzu commercial trucks, buses, and industrial power units globally.

Global Supply & Distribution

We specialize in the international B2B supply of critical engine components. Our logistics network ensures efficient delivery to key markets:

• Worldwide Shipping: We export to North America (USA, Canada, Mexico), Europe (EU, UK), Asia-Pacific (Australia, Singapore, Japan), the Middle East (UAE, Saudi Arabia), and South America.
• Fast Port Delivery: Consolidated container shipments to major ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali for streamlined local distribution.
• Trade Compliance: All shipments are accompanied by complete commercial invoices, packing lists, and certificates of origin to ensure smooth customs clearance.

Quality Assurance

We guarantee the authenticity and performance of every part supplied:

• Genuine Component: Sourced directly from authorized channels, not an aftermarket imitation.
• Manufacturing Standard: Produced in ISO-certified facilities adhering to strict NPR quality control protocols.
• Rigorous Testing: Each ring set undergoes dimensional checks, material analysis, and performance validation to meet OEM specifications.
• Warranty: Backed by a standard supplier warranty against manufacturing defects. Specific terms are provided with the commercial invoice.

FAQ

Q1: How do I confirm this piston ring set is compatible with my specific Isuzu 4HK1 engine?
A1: The primary compatibility is determined by the engine model (4HK1T or 4HG1). For absolute certainty, we recommend matching the NPR part number (YDI10160ZZ) or the Isuzu OEM number (8-98023-526-0) from your engine’s service manual or the original parts list. Providing your engine’s serial number can also help us verify fitment.

Q2: What is included in this “set,” and is it for one cylinder or the entire engine?
A2: This part number (YDI10160ZZ) typically refers to a complete piston ring set for a single piston/cylinder. It includes all necessary rings (e.g., top compression, second compression, and oil control rings). To overhaul a multi-cylinder engine, you will need to order the corresponding quantity of sets.

Q3: What are the critical installation precautions for these NPR piston rings?
A3: Proper installation is crucial for performance. Always ensure the cylinder liner is within specified wear limits and properly honed. Use a ring expander tool to avoid damaging or twisting the rings during installation. Stagger the ring end gaps according to the engine manufacturer’s specification (usually 120 degrees apart) and ensure the rings are seated correctly in their grooves with the correct side facing up.

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 .