
Product Overview
This genuine-quality piston ring set is engineered for ISUZU industrial and construction equipment engines, ensuring optimal compression, oil control, and longevity. We specialize in the global supply of critical engine components, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with reliable shipping and export compliance.
Key Features & Benefits
- Premium Material & Construction: Manufactured from high-grade alloy steel for superior heat resistance and minimal wear.
- Precision Fit & Sealing: Ensures perfect cylinder sealing to maintain engine compression and power output.
- Optimized Oil Control: Designed to regulate oil consumption effectively, reducing emissions and operating costs.
- Extended Engine Life: Reduces blow-by and cylinder wear, contributing to the overall durability and service interval of the engine.
- Direct OEM Replacement: Meets or exceeds original specifications for reliable performance in demanding applications.
Technical Specifications
| Specification | Detail |
|---|---|
| Primary Part Number | 1-12121146-0 |
| Part Type | Piston Ring Set |
| Compatible Engine Family | ISUZU 6BG1, 4BG1 |
| Application | Industrial & Construction Equipment |
| Condition | New, Genuine Quality |
OEM Cross-Reference
This piston ring set directly replaces the following OEM and alternative part numbers:
- 1-12121146-0 (Primary ISUZU Number)
- 112121-1460
- 1121211460
Compatibility
Engine Models: This set is designed for ISUZU 6BG1 and 4BG1 series diesel engines.
Equipment Applications: Commonly found in:
- Hitachi Excavators: ZX200, ZX200-3
- Other compatible industrial machinery utilizing the 6BG1/4BG1 powerplant.
Global Supply & Distribution
We are a trusted partner for B2B buyers worldwide. Our logistics network ensures efficient shipping to major industrial hubs and ports across continents, including Rotterdam, Houston, Singapore, Dubai, and Sydney. We have extensive experience in international trade documentation and compliance, facilitating smooth customs clearance for our clients in North America, the EU, ASEAN, and the GCC regions.
Quality Assurance
Every piston ring set is sourced from certified manufacturers adhering to strict ISO quality management standards. Components undergo dimensional accuracy checks and material analysis to ensure they meet precise engineering specifications. We stand behind our parts with a comprehensive warranty, supporting your operations with reliable, performance-grade components.
FAQ
Q: Is this piston ring set a direct fit for my Hitachi ZX200 excavator?
A: Yes, if your Hitachi ZX200 is equipped with the ISUZU 6BG1 engine, this part number (1-12121146-0) is the correct direct replacement set.
Q: What is the difference between the part numbers 1-12121146-0 and 112121-1460?
A: Both numbers reference the same piston ring set. “1-12121146-0” is a common ISUZU parts catalog number, while “112121-1460” is an alternative OEM reference. They are fully interchangeable.
Q: Are installation guidelines or torque specifications provided?
A> While specific installation procedures should be followed as per the official engine service manual, these rings are precision-manufactured to OEM blueprints for correct end-gap and side clearance. We recommend professional installation to ensure proper cylinder honing and ring seating for optimal performance.
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 .