Product Overview

This is a premium piston ring set engineered for Isuzu 6SD1 and 6SD1T diesel engines. As a leading global supplier of heavy-duty engine components, we provide reliable parts for commercial fleets, construction machinery, and industrial power units worldwide. Our products are trusted by buyers in North America, Europe, the Middle East, and the Asia-Pacific region, backed by seamless international logistics and export compliance.

Key Features & Benefits

• Premium Material Construction: Manufactured from high-grade alloy steel for superior heat resistance and minimal wear, ensuring extended engine life and consistent compression.
• Precision Engineering: Designed to exact OEM specifications for a perfect fit, optimal oil control, and reliable sealing to restore engine power and efficiency.
• Enhanced Durability: Advanced surface treatments and coatings reduce friction and combat cylinder bore scuffing, ideal for high-load applications in excavators and trucks.
• Complete Set Solution: Includes all necessary rings (compression and oil control) for a full cylinder overhaul, simplifying procurement and installation.
• Global Reliability: Supplied to meet the demanding standards of international markets, ensuring performance in diverse climatic and operational conditions.

Technical Specifications

OEM Cross-Reference

This high-quality aftermarket piston ring set directly replaces the following OEM part numbers:

• Isuzu: 1-12121-119-2
• Common Alternative: 4R (Series Designation)

Compatibility

This piston ring set is designed for use in the following Isuzu engine models, commonly found in a range of heavy-duty equipment:

• Engine Models: Isuzu 6SD1, Isuzu 6SD1T (Turbocharged)
• Typical Applications: Widely used in Isuzu-powered excavators, dump trucks, and industrial generator sets.
• Note: Always verify your engine’s serial number and existing part number to ensure correct fitment before purchase.

Global Supply & Distribution

We specialize in the global distribution of critical engine components. Our supply chain is optimized for fast, reliable delivery to key industrial hubs and ports worldwide.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), the Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Singapore, Japan).
• Efficient Logistics: Orders are processed rapidly and shipped via trusted carriers with tracking. We ensure smooth customs clearance for B2B clients.
• Export Expertise: All documentation (commercial invoice, packing list, certificate of origin) is provided professionally to comply with international trade regulations.

Quality Assurance

Every component in our catalog meets rigorous quality standards to guarantee performance and customer satisfaction.

• Manufacturing Standards: Produced in ISO-certified facilities using precision machining and strict quality control protocols.
• Performance Testing: Rings undergo dimensional accuracy checks, material hardness testing, and tension verification to ensure they meet or exceed OEM performance parameters.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q1: Is this piston ring set compatible with both the 6SD1 and 6SD1T engine variants?
A1: Yes, this set (part number 1-12121-119-2) is designed to be compatible with both the naturally aspirated Isuzu 6SD1 and the turbocharged 6SD1T engine models. Always confirm your engine’s specific configuration for absolute certainty.

Q2: What is included in the “4R” set?
A2: The “4R” designation typically refers to a set containing four rings per piston: usually two compression rings and two oil control (scraper) rings, providing a complete sealing solution for one cylinder.

Q3: Do you provide technical support for installation and fitment questions?
A3: Absolutely. Our technical team can assist with pre-purchase compatibility checks. We recommend consulting a qualified diesel mechanic for installation, as proper ring gap setting and cylinder wall preparation are critical for optimal performance and longevity.

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 .