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Product Details
Product Overview
This high-performance Piston Ring Set (Part No. 1-12121-143-0) is specifically engineered for the Isuzu 6WG1 diesel engine. As a critical component in the power cylinder assembly, this ring set ensures optimal compression, oil control, and heat transfer. We supply this premium quality part to major markets worldwide, including North America, Europe, Southeast Asia, the Middle East, and Africa, supporting heavy equipment, industrial machinery, and commercial vehicle fleets.
Key Features & Benefits
Superior Durability: Manufactured from high-grade alloy steel with advanced surface treatments to resist wear and scuffing under extreme pressure and temperature.
Optimized Oil Control: Precision-engineered ring profile reduces oil consumption and blow-by, maintaining peak engine efficiency.
Enhanced Compression: Provides a reliable seal to maximize combustion pressure, improving horsepower and fuel economy.
Direct Fitment: Manufactured to exact OEM specifications (1-12121-143-0) for seamless installation without modification.
Rigorous Testing: Each set passes strict quality control for dimensional accuracy, tensile strength, and fatigue resistance.
Technical Specifications
Specification
Detail
Part Number
1-12121-143-0
Engine Model
Isuzu 6WG1
Part Type
Piston Ring Set (Complete Set)
Material
Ductile Iron / Alloy Steel
Surface Treatment
Chrome / Molybdenum Coating
Ring Profile
Keystone / Taper Face / Oil Control Ring
Pieces per Set
3 Rings (Top, Second, Oil)
Condition
Brand New, Aftermarket OEM Grade
OEM Cross-Reference
This Piston Ring Set directly replaces the following original Isuzu part numbers:
Isuzu OEM: 1-12121-143-0
Alternative OEM: 8-98023-526-0 (Check compatibility)
Note: Always verify your existing part number before ordering. This set is designed for the 6WG1 engine platform.
Compatibility
This piston ring set is designed for use in the following applications:
Isuzu Excavators (e.g., ZX series with 6WG1 power)
Industrial & Marine Generators
Construction & Mining Equipment
Year Range: Generally applicable to 6WG1 engines manufactured from the early 2000s onward. Confirm engine serial number for exact fitment.
Global Supply & Distribution
We maintain a robust global supply chain to serve B2B clients efficiently:
Worldwide Shipping: Reliable delivery via air (DHL, FedEx, UPS) and sea (FCL/LCL) to all major ports including Shanghai, Rotterdam, Los Angeles, Dubai, and Singapore.
Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (Japan, Korea, Australia), Middle East (UAE, Saudi Arabia), and Africa (South Africa, Nigeria).
Fast Logistics: Stock available for immediate dispatch. Typical transit time: 3-7 days for express air, 15-30 days for sea freight.
Trade Compliance: Experienced in international trade documentation, customs clearance, and export regulations.
Quality Assurance
Manufacturing Standards: Produced in ISO 9001 certified facilities with strict adherence to SAE and JIS standards.
Warranty: 12-month warranty against manufacturing defects from the date of shipment.
Testing: 100% inspection for dimensional tolerances, hardness, and surface finish before packaging.
Certification: Available upon request including Material Test Reports and Certificate of Conformance.
FAQ
Q1: Is this piston ring set a direct replacement for the Isuzu 6WG1 engine? Yes. This part (1-12121-143-0) is manufactured to match the exact OEM dimensions and specifications of the original Isuzu 6WG1 piston rings. It is a drop-in replacement requiring no modifications to the piston or cylinder block.
Q2: How do I know if this ring set is compatible with my specific 6WG1 engine variant? Please verify your engine’s serial number and the original ring part number. While this set is standard for most 6WG1 applications, some minor variations exist in later models (e.g., Tier 3 vs Tier 4 versions). We recommend consulting your engine manual or contacting our technical support with your engine details for confirmation.
Q3: What is the recommended installation procedure for these rings? Installation should be performed by a qualified diesel mechanic. Ensure the cylinder bore is within service limits and properly honed. Lubricate the rings and piston with clean engine oil. Use a ring expander to avoid distortion. Stagger the ring gaps 120 degrees apart and ensure the oil ring expander is correctly seated. Always replace piston rings in sets.
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