Isuzu 4HG1 Piston 95.4mm for NHR NKR Elf Truck ZX110-3 Excavator 8981929260

Product Details

Product Overview

This high-quality replacement piston is specifically designed for the Isuzu 4HG1 diesel engine, a powerplant commonly found in NHR and NKR series Elf trucks as well as the Hitachi ZX110-3 excavator. With a precise diameter of 95.4mm, this component is engineered to restore compression and combustion efficiency in heavy-duty machinery and commercial vehicles.

The piston is manufactured to meet stringent OEM specifications, ensuring reliable performance in demanding working environments. While primarily identified for the 4HG1 engine, it also shares compatibility with the 4JJ1 engine family, offering flexibility for various applications. This part is a direct replacement for OEM number 8981929260, providing a cost-effective solution without compromising on quality.

Key Features & Benefits

• Precision Engineering: Manufactured to exact 95.4mm diameter specifications with strict tolerances for optimal cylinder wall clearance and reduced friction.
• Enhanced Durability: Constructed from high-strength aluminum alloy to withstand extreme combustion pressures and temperatures in diesel engines.
• OEM Compliance: Direct cross-reference to Isuzu OEM number 8981929260 ensures correct fitment and performance characteristics.
• Versatile Application: Suitable for both commercial truck (NHR/NKR Elf) and construction equipment (ZX110-3 excavator) applications.
• 100% New Condition: Brand new component with no remanufactured or refurbished parts, guaranteeing full service life.
• Rigid Quality Control: Each piston undergoes dimensional inspection to verify ring groove depth, pin bore alignment, and overall geometry.
• Cost-Effective Solution: Provides OEM-equivalent performance at a competitive aftermarket price point for fleet maintenance and repair operations.

Technical Specifications

OEM Cross-Reference

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

• Isuzu: 8981929260
• Cross-reference Notes: This part also corresponds to Isuzu 4HG1 and 4JJ1 engine service parts catalogs. Additional OEM numbers may apply depending on regional specifications.

Note: Always verify your engine’s specific OEM part number before ordering. While 8981929260 is the primary reference, some engine variants may use alternative numbering.

Compatibility

This piston is commonly used for the following applications:

• Engine Models: Isuzu 4HG1, Isuzu 4JJ1
• Vehicle Applications: Isuzu NHR Series Trucks, Isuzu NKR Series Elf Trucks
• Construction Equipment: Hitachi ZX110-3 Excavator

Fitment is inferred based on common engine-to-equipment matches. Always confirm compatibility with your specific engine serial number and vehicle model.

Global Supply & Distribution

We maintain a robust global logistics network capable of shipping to all major markets worldwide. Our distribution covers:

• North America: Fast delivery to US and Canadian industrial centers via air and sea freight
• Europe: Regular shipments to major ports including Rotterdam, Hamburg, and Antwerp
• Asia-Pacific: Direct service to Japan, Korea, Australia, and Southeast Asian markets
• Middle East & Africa: Established routes to Dubai, Jeddah, and major African ports
• Latin America: Reliable shipping to Brazil, Mexico, and Chile

With export experience spanning multiple continents, we ensure proper customs documentation and international trade compliance for smooth delivery to your workshop or warehouse.

Quality Assurance

Each piston is manufactured under strict quality control procedures in our Shanghai facility. Key quality measures include:

• Material Certification: Raw materials sourced from certified suppliers with traceability documentation
• Dimensional Inspection: 100% inspection of critical dimensions including diameter, pin bore, and ring groove specifications
• Surface Finish: Verified surface roughness to ensure proper oil retention and reduced wear
• Warranty Coverage: 3-month warranty against manufacturing defects
• After-Sales Support: Online technical support available for installation guidance and troubleshooting

FAQ

Q1: Will this piston fit my Isuzu 4HG1 engine from a 1998 NKR truck?
This piston is designed for Isuzu 4HG1 engines with a 95.4mm bore diameter. While it is commonly used in NKR series trucks, we recommend verifying your engine’s cylinder bore size and comparing it with the OEM number 8981929260 stamped on your existing piston. Engine serial numbers can also help confirm compatibility.

Q2: What installation precautions should I take?
Ensure the cylinder bore is within service limits and properly honed before installation. Always replace piston rings simultaneously and lubricate the piston skirt and rings during assembly. Verify ring end gap clearance according to the engine service manual. Use a torque wrench for connecting rod bolt tightening to manufacturer specifications.

Q3: What maintenance interval is recommended for these pistons?
Piston replacement is typically performed during major engine overhauls, which for Isuzu 4HG1 engines in heavy-duty applications occurs every 8,000-10,000 operating hours or as indicated by compression loss and oil consumption. Regular oil changes and air filter maintenance will extend piston service life. Monitor for excessive blow-by or blue smoke as indicators of piston ring wear.