Product Overview

This high-precision Diesel Injector Nozzle is a direct replacement for the ISUZU N Series 4HG1 engine. Manufactured to meet or exceed OEM specifications, this injector tip (Part Number: DLLA154PN185) is essential for maintaining optimal fuel atomization, combustion efficiency, and engine performance. We ship globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Oceania with fast, reliable logistics.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for exceptional wear resistance and longevity, ensuring consistent fuel spray patterns.
• 100% Brand-New: Guaranteed new condition, not remanufactured, providing full performance and service life.
• Improved Combustion: Optimized nozzle design (DLLA154PN185) delivers precise fuel injection for better power output and reduced emissions.
• Direct Fit: Standard outlet size and exact OEM dimensions ensure a hassle-free installation with no modifications required.
• Rigorous Quality Control: Tested under ISO 9001:2000 and TS16949 standards to ensure reliability in demanding working conditions.

Technical Specifications

OEM Cross-Reference

• ISUZU: 105017-1850
• BOSCH / Common Rail Systems: 9 432 610 851
• Alternative Part Number: DLLA154PN185

Note: Always verify your existing part number before purchase.

Compatibility

• Engine Model: ISUZU 4HG1
• Vehicle Application: ISUZU N Series (NHR, NKR, NPR, NQR) light-duty trucks and buses.
• System: Compatible with specific Bosch fuel injection systems using the DLLA154PN185 nozzle type.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a strong export network. Our logistics partners include DHL, UPS, FedEx, EMS, and TNT, ensuring fast delivery to major ports and industrial centers worldwide.

• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy, Netherlands), Asia-Pacific (Japan, South Korea, Australia, New Zealand), Middle East (UAE, Saudi Arabia, Qatar), Africa, and South America.
• Shipping: Standard delivery time is 3-7 working days via express courier.
• Export Experience: We handle international trade documentation and customs clearance support for B2B shipments.

Quality Assurance

• Certifications: Manufactured in facilities adhering to ISO 9001:2000 and TS16949 quality management systems.
• Testing: Each batch undergoes flow rate and spray pattern testing to ensure precise fuel delivery.
• Warranty: 6-month warranty against manufacturing defects.

FAQ

Q1: Is this injector nozzle compatible with my ISUZU N Series truck with a 4HG1 engine?
A: Yes, this part is specifically designed for the ISUZU 4HG1 engine. However, please double-check your existing nozzle part number (DLLA154PN185) to ensure a perfect match. This nozzle is also a direct replacement for OEM numbers 105017-1850 and 9 432 610 851.

Q2: What is the recommended installation procedure for this injector tip?
A: Installation should be performed by a qualified diesel technician. Ensure the injector body and seat are clean before installation. Tighten to the manufacturer’s specified torque settings to prevent leakage or damage. We recommend replacing copper washers and seals during installation.

Q3: How can I maintain the performance of this nozzle?
A: Use high-quality, clean diesel fuel and replace fuel filters regularly. Contaminated fuel is the primary cause of nozzle failure. If you experience rough idling, black smoke, or reduced power, have the injectors tested professionally. This nozzle is designed for long service life under normal operating conditions.