Fuel Injector Nozzle Assembly 1-15300389-1 1153003891 for Isuzu 6HK1 Excavator Engine

Product Details

Product Overview

This high-quality fuel injector nozzle assembly, identified by part numbers 1-15300389-1 and 1153003891, is a critical component designed for the Isuzu 6HK1 diesel engine. As a genuine-grade fuel injector, it ensures precise fuel atomization and delivery, which is essential for optimal combustion efficiency in heavy-duty applications.

Commonly utilized in excavators, wheel loaders, and heavy trucks powered by the 6HK1 engine platform, this injector is engineered to meet the rigorous demands of construction and earthmoving equipment. The part number 1-15300389-1 is a direct cross-reference for OEM applications, guaranteeing proper fitment and performance when replacing worn or failed injectors.

Key Features & Benefits

• Precision Fuel Metering: Engineered to deliver exact fuel quantities at high pressure, ensuring complete combustion for maximum power output and reduced fuel consumption.
• OEM-Grade Construction: Manufactured to meet or exceed original equipment specifications, providing a reliable direct replacement for the 1-15300389-1 and 1153003891 part numbers.
• Enhanced Durability: Built with hardened steel and advanced materials to withstand the extreme pressures and temperatures within the 6HK1 combustion chamber, promoting long service life.
• Improved Engine Performance: Restores lost horsepower, eliminates rough idling, and reduces black smoke emissions by ensuring proper fuel spray patterns.
• Strict Quality Control: Each injector nozzle undergoes flow rate and spray pattern testing to guarantee consistent performance across all six cylinders.
• Easy Identification: Laser-etched part numbers (1-15300389-1 / 1153003891) for quick verification and hassle-free installation.

Technical Specifications

OEM Cross-Reference

This fuel injector assembly is a direct cross-reference for the following original equipment manufacturer numbers. Please verify your existing part number before ordering:

• Isuzu OEM: 1-15300389-1, 1153003891
• Alternative Numbers: 8-98023-526-0, 8-98023-526-1 (Verify compatibility with your engine serial number)

Compatibility

This injector is specifically designed for the Isuzu 6HK1 diesel engine platform. It is commonly used for the following equipment types, though fitment should always be confirmed by the buyer:

• Excavators: Hitachi ZX200, ZX210, ZX240, Sumitomo SH200, Kobelco SK200 (with 6HK1 engine)
• Trucks: Isuzu Giga, F-Series, and other heavy-duty chassis equipped with the 6HK1 engine.
• Wheel Loaders: Kawasaki 80Z, 85Z, and other models using the 6HK1 power unit.

Note: Always cross-reference your engine serial number and existing injector part number to ensure correct fitment. This part is not compatible with 4HK1 or 6WG1 engine models.

Global Supply & Distribution

We maintain a robust global supply chain to serve B2B buyers across all major markets. Our inventory of 1-15300389-1 injectors is strategically stocked to ensure rapid fulfillment for international orders.

• North America: Fast shipping to Los Angeles, Houston, New York, and Toronto ports.
• Europe: Direct delivery to Rotterdam, Hamburg, Antwerp, and major inland hubs.
• Asia-Pacific: Express service to Singapore, Shanghai, Dubai, and Sydney.
• Middle East & Africa: Reliable shipping to Jebel Ali, Dammam, and Johannesburg.

We offer flexible logistics options including air freight (3-7 days) and sea freight (15-30 days) depending on order volume. All shipments are fully insured and accompanied by commercial invoices for smooth customs clearance.

Quality Assurance

Every fuel injector nozzle assembly undergoes rigorous quality checks before shipment. Our quality assurance protocol includes:

• Flow Rate Testing: Each injector is tested to ensure it delivers the precise fuel volume required by the Isuzu 6HK1 ECU calibration.
• Spray Pattern Verification: Visual inspection of atomization quality to prevent incomplete combustion and carbon buildup.
• Pressure Calibration: Opening pressure is set to OEM specifications (typically 220-250 bar for this application).
• Material Integrity: 100% inspection for cracks, burrs, or defects in the nozzle tip and valve assembly.

We stand behind the quality of our parts with a 6-month warranty against manufacturing defects. Extended warranty options are available for volume orders.

FAQ

Q1: How do I confirm this injector fits my 6HK1 engine?
Locate the existing injector part number on your engine. It should be stamped on the injector body or printed on the packaging. Cross-reference it with 1-15300389-1 or 1153003891. Also, verify your engine serial number prefix—this injector fits standard 6HK1 engines but may not suit 6HK1-TC (turbocharged intercooled) variants with different injection pressures.

Q2: Can I install this injector myself, or should I hire a professional?
While this is a direct replacement part, fuel injectors operate at extremely high pressures (exceeding 2000 bar in common rail systems). We strongly recommend installation by a certified diesel technician. Improper installation can lead to engine damage, fuel leaks, or personal injury. Additionally, the injector should be torqued to the correct specification and the high-pressure fuel lines must be bled of air after installation.

Q3: What maintenance is required after installing a new fuel injector?
After replacing the injector, we recommend replacing the fuel filter and cleaning the fuel tank if contamination is suspected. For the 6HK1 engine, it is also advisable to check the injection pump timing and perform a cylinder balance test using a diagnostic scanner. Regular use of high-quality diesel fuel and periodic fuel system cleaners (every 200 hours of operation) will extend the life of your new injectors.