Product Overview

This professional-grade NPR piston ring set (SDI10177ZZ) is engineered for the Isuzu 4HE1 diesel engine, a cornerstone of commercial and industrial fleets worldwide. As a leading supplier in the global automotive aftermarket, we provide reliable engine components with direct shipping to major industrial hubs across North America, Europe, Asia-Pacific, and the Middle East, ensuring your operations stay on schedule.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for a perfect fit and optimal cylinder sealing.
• Enhanced Durability: Constructed from high-grade materials to withstand high compression and thermal stress, extending engine life.
• Superior Oil Control: Designed to maintain proper oil film, reducing consumption and preventing smoke.
• Restored Performance: Helps restore cylinder compression, engine power, and fuel efficiency during overhaul.
• Complete Set: Includes all necessary rings (compression and oil rings) for a full piston assembly per cylinder.

Technical Specifications

OEM Cross-Reference

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

• NPR: SDI10177ZZ
• Isuzu: 8-94185-777-0, 8-94185-778-0 (Verify specific ring positions for exact match)
• Common Aftermarket Reference: 10177ZZ

Note: Always verify the part number with your engine’s serial number or existing components before purchase.

Compatibility

This piston ring set is specifically designed for the Isuzu 4HE1 turbocharged diesel engine. This engine is commonly found in:

• Isuzu Trucks: N-Series (NPR, NQR, NRR models)
• Application Years: Widely used in models from the late 1990s through the 2000s.
• Industrial & Generator Sets: Also used in stationary power units.

Global Supply & Distribution

We specialize in seamless international B2B logistics for automotive parts. Our network ensures efficient delivery to key markets:

• Worldwide Shipping: FOB, CIF, and EXW terms available to major ports globally.
• Key Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, and the Middle East.
• Fast Delivery: Consolidated container and air freight options to major industrial centers and logistics hubs.
• Export Compliance: All shipments are prepared with professional commercial invoices, packing lists, and comply with international trade regulations.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using precision machining and heat treatment processes.
• Rigorous Testing: Each ring set undergoes dimensional checks, tension testing, and visual inspection to ensure consistency and performance.
• Warranty: Backed by a standard warranty against manufacturing defects. Contact us for specific warranty terms applicable to your region.

FAQ

Q: Is this a complete set for one piston, or for the entire engine (all cylinders)?
A: This set (SDI10177ZZ) typically contains the rings for a single piston assembly. You will need one set per cylinder for a complete engine rebuild. Please confirm the quantity per package with your sales representative before ordering.

Q: Can these rings be installed without honing the cylinder liner?
A: No. For optimal performance and longevity, proper cylinder honing to achieve the correct crosshatch pattern is essential when installing new piston rings. Installing rings on a glazed or worn liner will lead to poor sealing and rapid oil consumption.

Q: Do you provide technical documentation or installation guidelines?
A> Yes, upon request, we can provide general technical specifications and material data sheets. For detailed installation torque specs and procedures, we always recommend consulting the official Isuzu 4HE1 engine service manual.

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 .