Excavator Diesel Engine Piston Ring Set 8-98023-526-0 for Hitachi ZX200 ZX240 Isuzu 4HK1 6HK1

Product Details

Product Overview

This is a premium-quality piston ring set, identified by the OEM part number 8-98023-526-0. It is specifically designed for high-performance diesel engines, commonly found in heavy-duty excavators. This ring set is a critical component for maintaining optimal compression, oil control, and overall engine efficiency.

Engineered to meet or exceed original equipment specifications, this piston ring set is a direct replacement for the Isuzu 4HK1 and 6HK1 engine platforms. These engines are widely used in Hitachi construction machinery, including the ZX200, ZX210, ZX240, and ZX330 excavator models. Choosing the correct piston ring set is essential for a successful engine overhaul or rebuild.

Please note: While this part number is standard for the specified engine models, we always recommend verifying your engine’s serial number and cylinder bore specifications to ensure perfect compatibility with your specific application.

Key Features & Benefits

• Precision Fitment: Manufactured to exact OEM specifications (8-98023-526-0) for a seamless, direct replacement in Isuzu 4HK1 and 6HK1 engines.
• Superior Compression: The ring pack is designed to provide an excellent seal, maximizing cylinder compression for improved engine power and fuel efficiency.
• Enhanced Oil Control: Advanced oil ring design minimizes oil consumption and prevents carbon build-up, extending engine life and reducing emissions.
• High Durability: Constructed from high-strength ductile iron and steel alloys, providing exceptional resistance to wear, heat, and corrosion under extreme operating conditions.
• Reduced Friction: Optimized ring profile and surface treatment reduce friction against the cylinder wall, leading to lower operating temperatures and better fuel economy.
• Complete Set: Includes all necessary compression rings and oil rings required for one cylinder, ensuring a comprehensive and hassle-free installation.

Technical Specifications

OEM Cross-Reference

This piston ring set is a direct replacement for the following original equipment manufacturer (OEM) numbers:

• Isuzu: 8-98023-526-0, 8980235260
• Hitachi: 4288952, 4376467

Alternative Part Numbers: This part may also be listed under supplier numbers such as 8-98023-526-1, but the physical dimensions and specifications remain identical to the 8-98023-526-0 standard.

Compatibility

This piston ring set is commonly used for the following engine models and vehicle applications:

• Engine Models: Isuzu 4HK1-TC, Isuzu 4HK1-X, Isuzu 6HK1-TC, Isuzu 6HK1-TCC
• Excavator Models: Hitachi ZX200-3, ZX210H-3, ZX240-3, ZX240LC-3, ZX330-3, ZX350H-3
• Other Applications: Also used in Isuzu NPR, NQR, FTR, and FVR trucks equipped with the 4HK1 or 6HK1 engine series.

Note: Fitment may vary. Always cross-reference your engine serial number for absolute confirmation.

Global Supply & Distribution

We are a global supplier of heavy-duty diesel engine parts, with a robust logistics network that ensures fast and reliable delivery to customers worldwide. Our inventory is strategically stocked to support urgent maintenance and overhaul schedules.

• Major Markets Served: North America, Europe, Asia-Pacific, Middle East, Africa, and South America.
• Shipping Capabilities: We offer express courier (DHL, FedEx, UPS) for urgent orders and sea freight for bulk purchases. We ship to all major ports and industrial centers, including Houston, Rotterdam, Shanghai, Dubai, and Singapore.
• Export Experience: With years of experience in international trade, we handle all customs documentation and compliance requirements to ensure a smooth delivery process for our B2B clients.

Quality Assurance

Our piston ring sets are manufactured in ISO 9001 certified facilities, ensuring consistent quality and performance. Each ring undergoes rigorous inspection for dimensional accuracy, material hardness, and surface finish.

• Manufacturing Standards: ISO 9001:2015, TS 16949 (as applicable).
• Testing: 100% dimensional inspection and material analysis prior to packaging.
• Warranty: We offer a standard 12-month warranty against manufacturing defects from the date of purchase, providing you with peace of mind for your engine rebuild project.

FAQ

Q1: Is this piston ring set compatible with my Hitachi ZX240-5G excavator?

This set is primarily designed for the 4HK1 and 6HK1 engine series. The Hitachi ZX240-5G often uses the Isuzu 4HK1 engine. While the part number 8-98023-526-0 is a common fit, we strongly recommend checking your engine serial number and the piston crown markings to confirm the correct ring size and profile for your specific machine variant.

Q2: What is the correct installation procedure for these piston rings?

Installation requires careful attention to ring orientation and gap positioning. First, ensure the cylinder bore is properly honed to the correct cross-hatch pattern. Lubricate the rings and piston with clean engine oil. Use a piston ring expander to install the rings, ensuring the “TOP” marking faces upward. Stagger the ring end gaps at 120-degree intervals around the piston, ensuring they are not aligned with the wrist pin or thrust faces.

Q3: How can I verify the quality of these aftermarket rings compared to genuine Isuzu parts?

Our rings are manufactured to meet OE specifications. To verify quality, you can measure the ring thickness, width, and end gap in a reference cylinder bore. The material should be a high-strength alloy with a consistent, non-porous surface. We also recommend checking the tangential tension to ensure it matches the service manual requirements for your specific engine model.