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0445110521 Diesel Common Rail Injector – OEM-Grade Replacement for JMC & Isuzu Engines
The 0445110521 is a high-pressure common rail fuel injector designed for 2.5L–2.8L diesel engines, widely compatible with JMC JX493 and Isuzu light-duty engines. Built with precision-machined nozzle, solenoid-driven control, and premium steel housing, it delivers accurate fuel metering, fine atomization, and stable high-pressure performance (up to 1800 bar).
As a direct OEM replacement, it matches original mounting, electrical connectors, and fuel line interfaces perfectly—no modifications required for installation. Ideal for engine repair, injector replacement, and restoring factory power, fuel efficiency, and emissions compliance.
Key Advantages
100% OEM Fit & Compatibility
Exact match for original injectors; plug-and-play installation, no cutting, coding, or extra parts needed.
Ultra-High Pressure Resistance (1800 bar)
Withstands extreme common rail pressure; consistent fuel delivery, no leakage under heavy loads.
Precision Fuel Atomization
Micro-finished 6-hole nozzle; fine mist, complete combustion, improves fuel economy by 8–12% and reduces black smoke.
Durable Solenoid & Valve Assembly
High-temperature resistant coil; fast response, stable operation, 500,000+ km service life with proper maintenance.
Rigorous Quality Assurance
100% flow, pressure, and leakage tested; ISO 9001 certified, meets original equipment quality standards.
Cost-Effective Upgrade
Restores engine performance at a fraction of OEM price; ideal for fleet maintenance & budget repairs.
Isuzu:N-Series Trucks, D-Max Pickup, Elf Van (2.5L–2.8L 4JB1/4JJ1 Diesel)
Light Commercial Vehicles:Vans, mini-trucks, and delivery fleets with 2.5L–2.8L diesel engines
Common Usage Scenarios
Daily delivery & urban transportation
Fleet vehicle maintenance & injector replacement
Engine overhaul & performance restoration
Towing & light cargo hauling
Emissions upgrade (reduces exhaust smoke)
Package Includes
1 × 0445110521 Common Rail Injector
Installation seals & O-rings
User manual
Packaging & Shipping
Company Information
Our Services
Wuhan Jinhong Auto Parts Co., Ltd. is a manufacturer and exporter of common rail fuel injectors integrating manufacturing,processing and R & D.
Our factory has a complete and scientific management system and professional product development team, products have been advancing with The Times, quality is also constantly improving, product quality and service have been widely recognized by the industry. Our company has its own factory, combined with the sales model of trade factory, we can provide customers with a full range of services. In addition, our company has international logistics partners to reduce transportation costs for customers. Our company is a leading manufacturer and supplier of Marine parts and auto parts in China. At the same time, we have established partnerships with hundreds of factories specializing in the production of various high-quality auto parts.
Our goal is to provide the best service at the best price, your satisfaction is our best return. Look forward to working with you. Welcome friends from all walks of life to visit, guidance and business negotiations.
FAQ
Q1: Is this injector compatible with my JMC JX493 engine?
A1: Yes. The 0445110521 is the direct OEM replacement for JMC JX493 (2.8L) engines and fits Isuzu 4JB1/4JJ1 (2.5L–2.8L) models. Verify part number before ordering.
Q2: Does it come with a warranty?
A2: We offer 12-month warranty against manufacturing defects (excludes damage from poor fuel quality, improper installation, or lack of maintenance).
Q3: Do I need to code the injector after installation?
A3: No coding required for most JMC/Isuzu models. It works with the original ECU directly after installation.
Q4: What are the signs of a faulty injector?
A4: Common symptoms: hard starting, rough idle, black smoke, reduced power, poor fuel economy, or engine misfire.
Q5: How long does a new injector last?
A5: With clean diesel and regular fuel filter changes, it can last 500,000–800,000 km.
Q6: What’s included in the package?
A6: Each package includes 1 × 0445110521 Injector + Installation O-rings & Seals (ready for direct installation).
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Total Annual:
5000000-10000000
Employee Number:
160~200
Ecer Certification：
Verified Supplier
Wuhan Jinhong Auto Part Co., Ltd. is a leading manufacturer and global supplier specializing in high-performance fuel system components, including fuel injectors, fuel pumps, and complete fuel delivery systems. With years of industry experience, we also supply a wide range of engine assemblies and s... Wuhan Jinhong Auto Part Co., Ltd. is a leading manufacturer and global supplier specializing in high-performance fuel system components, including fuel injectors, fuel pumps, and complete fuel delivery systems. With years of industry experience, we also supply a wide range of engine assemblies and s...
