Isuzu 4HK1 Engine Piston Ring Set 8-98023-526-0 8-98023526-0 1-11211586-0

Product Details

Product Overview

This is a high-quality piston ring set specifically designed for the Isuzu 4HK1 diesel engine. The set includes the necessary top compression ring, second compression ring, and oil control ring to ensure optimal engine performance and longevity. This product is commonly used in heavy-duty applications such as excavators, trucks, and industrial machinery powered by the Isuzu 4HK1 engine platform.

Each ring set is manufactured to meet or exceed OEM specifications, providing a reliable solution for engine overhaul or repair. The part numbers 8-98023-526-0, 8-98023526-0, and 1-11211586-0 are direct cross-references for this specific piston ring configuration.

Key Features & Benefits

• Precision Fit: Designed to exact OEM tolerances for the Isuzu 4HK1 engine, ensuring a proper seal and minimal blow-by.
• Durable Material: Made from high-strength cast iron with a wear-resistant coating to withstand high combustion pressures and temperatures.
• Improved Oil Control: The oil control ring is engineered to regulate oil consumption effectively, reducing emissions and preventing carbon buildup.
• Easy Installation: Comes as a complete set for a single cylinder, simplifying the ordering and replacement process.
• Engine Longevity: Reduces friction and wear on cylinder walls, extending the service life of the engine block and pistons.
• Cost-Effective: An ideal alternative to OEM parts, offering the same performance at a competitive price point.

Technical Specifications

OEM Cross-Reference

This piston ring set is a direct replacement for the following OEM part numbers:

• Isuzu: 8-98023-526-0
• Isuzu: 8-98023526-0 (alternate format)
• Isuzu: 1-11211586-0

All numbers represent the same physical component. Please verify your engine’s specific requirements against these references before purchase.

Compatibility

This product is specifically designed for the Isuzu 4HK1 diesel engine. It is commonly used for:

• Excavators: Isuzu-powered models from various OEMs.
• Trucks: Isuzu N-Series, F-Series, and other medium-duty trucks.
• Industrial Machinery: Generators, compressors, and pumps utilizing the 4HK1 engine.

Note: Always confirm engine model and piston diameter before ordering to ensure correct fitment.

Global Supply & Distribution

We maintain a robust global supply chain to ensure fast and reliable delivery worldwide. Our distribution network covers all major industrial markets, including:

• North America: Shipping to ports in Los Angeles, Houston, New York, and Vancouver.
• Europe: Direct delivery to Rotterdam, Hamburg, Antwerp, and major inland hubs.
• Asia-Pacific: Express shipping to Singapore, Shanghai, Tokyo, and Sydney.
• Middle East & Africa: Reliable service to Dubai, Jeddah, and Durban.

We have extensive experience in international trade, handling customs documentation and ensuring compliance with all export regulations. Most orders are dispatched within 24-48 hours of payment confirmation.

Quality Assurance

Our piston ring sets are manufactured under strict ISO 9001 quality management systems. Each ring undergoes rigorous testing for dimensional accuracy, hardness, and surface finish. We offer a 12-month warranty against manufacturing defects, covering material and workmanship issues. Our testing procedures include:

• Dimensional inspection using CMM (Coordinate Measuring Machine).
• Material composition analysis via spectrometry.
• End-gap and side clearance verification.

This ensures every set meets the demanding requirements of commercial and industrial diesel engines.

FAQ

Q1: Will this piston ring set fit my Isuzu 4HK1 engine from an excavator?
A: Yes, this set is designed for the 4HK1 engine block. However, we recommend verifying the engine serial number and measuring the cylinder bore diameter to confirm compatibility, as some variants may have different ring profiles.

Q2: Do I need to replace the piston rings with the pistons, or can I reuse the old ones?
A: We strongly recommend replacing the piston rings whenever you perform an engine overhaul or replace the pistons. Old rings lose their tension and sealing ability, which can lead to increased oil consumption and power loss. Always install new rings with new or properly reconditioned pistons.

Q3: What is the correct installation procedure for these rings?
A: Install the rings using a ring expander tool to prevent damage. The top ring (usually marked with a dot or “TOP”) must face upward. Stagger the ring gaps at 120-degree intervals around the piston to minimize blow-by. Lubricate the rings and cylinder wall with engine oil before assembly. Refer to the Isuzu 4HK1 service manual for exact torque and clearance specifications.