Product Details
Product Overview
This high-quality piston and ring set, identified by the OEM part number 8-98023-526-0, is specifically designed for the Isuzu 4HK1 diesel engine. As a critical component for engine rebuilding and maintenance, this set ensures precise combustion chamber sealing and optimal power output in demanding heavy equipment environments.
Commonly utilized in a range of heavy machinery, this piston assembly is a direct fit for various Isuzu excavators and industrial power units that employ the 4HK1 engine platform. It is the ideal solution for workshop technicians and equipment owners seeking a reliable, factory-spec replacement to restore engine performance and efficiency.
Key Features & Benefits
- OEM Specification Fit: Manufactured to match the exact dimensions and tolerances of the original Isuzu 8-98023-526-0 part, ensuring a seamless installation.
- Enhanced Durability: Constructed from high-strength alloy materials to withstand extreme combustion pressures and temperatures, reducing wear and extending engine life.
- Superior Oil Control: The precision-ground ring pack is engineered to minimize oil consumption while maintaining a perfect seal for maximum compression.
- Reduced Friction: Advanced surface treatment on the piston skirt and rings reduces friction, leading to improved fuel efficiency and lower operating costs.
- Complete Kit Convenience: Includes all necessary rings (compression and oil control) for a single cylinder, simplifying the ordering process for rebuild projects.
- Rigorous Quality Control: Each set undergoes strict dimensional and material testing to guarantee performance and reliability in the field.
Technical Specifications
| Specification |
Details |
| Part Number |
8-98023-526-0 |
| Engine Model |
Isuzu 4HK1 |
| Component Type |
Piston & Ring Set |
| Material |
High-Strength Alloy (Piston) / Ductile Iron (Rings) |
| Piston Diameter |
Standard Size (Refer to OEM Manual) |
| Ring Configuration |
2 Compression Rings + 1 Oil Control Ring |
| Application |
Excavator / Industrial Engine |
OEM Cross-Reference
This product is a direct replacement for the following OEM part numbers:
- Primary: 8-98023-526-0
- Alternate: 8-98023-526-1 (If applicable, verify with supplier)
- Related Sets: 8-98023-525-0 (If applicable for different cylinder)
Note: Always confirm with your engine serial number for exact compatibility.
Compatibility
This piston and ring set is commonly used for the following applications:
- Engine Models: Isuzu 4HK1
- Excavator Models: Commonly used in Isuzu-powered excavators such as the ZAXIS series (e.g., ZX200, ZX210, ZX240) and similar models from other OEMs utilizing the 4HK1 engine.
- Industrial Use: Suitable for generators, compressors, and other industrial equipment powered by the Isuzu 4HK1 engine.
Global Supply & Distribution
We offer worldwide shipping to support international B2B buyers. Our logistics network ensures fast and reliable delivery to major ports and industrial centers across North America, Europe, Asia-Pacific, the Middle East, and Africa.
With extensive export experience, we handle all necessary customs documentation and international trade compliance, providing hassle-free procurement for your business. Whether you require air freight for urgent repairs or sea freight for bulk orders, we can accommodate your schedule.
Quality Assurance
Our products are manufactured under strict ISO 9001 quality management systems. Each piston and ring set is tested for dimensional accuracy, material hardness, and surface finish to ensure it meets or exceeds OEM standards.
We offer a comprehensive warranty against manufacturing defects. Our technical support team is available to assist with any fitment or performance questions, ensuring you have confidence in your purchase.
FAQ
Q: How can I verify that this 8-98023-526-0 piston set fits my specific engine?
A: While this set is designed for the Isuzu 4HK1 engine, we recommend checking the engine serial number (ESN) stamped on the engine block. Cross-reference this with the OEM parts catalog to confirm the piston size and ring groove configuration. If you have any doubts, please contact us with your engine details for verification.
Q: What is the recommended installation procedure for these piston rings?
A: Always use a piston ring compressor to install the assembly into the cylinder bore. Stagger the ring gaps at 120-degree intervals around the piston to prevent gas blow-by. Lubricate the piston skirt and rings with clean engine oil during installation. Follow the manufacturer’s torque specifications for connecting rod bolts.
Q: Do I need to replace the cylinder liner or bearings when replacing the pistons?
A: It is highly recommended to inspect the cylinder liner for wear and taper. If the liner is worn beyond service limits, it should be honed or replaced. Similarly, main and rod bearings should be checked for clearance and replaced if necessary to ensure a complete and reliable engine rebuild.
