Product Overview

This high-quality Common Rail Fuel Injector, identified by part numbers 0445120304, 5283275, and 5272937, is a precision-engineered component designed specifically for Cummins ISLe and ISL9 diesel engines. Manufactured to strict OEM specifications, this injector ensures optimal fuel atomization, improved combustion efficiency, and reduced emissions. We are a leading global supplier of heavy-duty diesel engine parts, serving major markets across North America, Europe, Asia-Pacific, the Middle East, and South America. Our logistics network ensures fast and reliable delivery to ports and industrial centers worldwide, making us the trusted partner for B2B buyers seeking genuine-quality replacement parts.

Key Features & Benefits

• Premium Build Quality: Constructed from high-grade stainless steel for exceptional durability and corrosion resistance, ensuring a long service life even in demanding operating conditions.
• OEM-Grade Performance: 100% professionally tested to guarantee precise fuel metering and injection timing, leading to enhanced engine power, fuel economy, and lower emissions.
• Direct Fitment: Designed as a direct replacement for OEM units, requiring no modifications for installation on compatible Cummins engines.
• Rigorous Quality Control: Manufactured in an ISO 9001:2000 and TS 16949 certified facility, ensuring consistent quality and reliability for critical engine applications.
• Comprehensive Warranty: Backed by a 6-month warranty, providing peace of mind and protection for your investment.

Technical Specifications

OEM Cross-Reference

This injector is a direct replacement for the following OEM part numbers:

• 0445120304 (Bosch Common Rail Injector Nozzle)
• 5283275 (Cummins OEM)
• 5272937 (Cummins OEM)

Compatibility

This fuel injector is specifically designed for the following engine models and applications:

• Engine Models: Cummins ISLe, Cummins ISL9
• Vehicle Applications: Cummins-powered trucks, Dongfeng commercial vehicles, and other heavy-duty equipment utilizing these engine platforms.
• Year Range: Suitable for engines manufactured from the year 2000 onwards.

Please verify your engine’s specific requirements before purchase to ensure correct fitment.

Global Supply & Distribution

Our robust supply chain is designed to meet the needs of international B2B clients. We offer:

• Worldwide Shipping: Reliable delivery to all major global markets via air, sea, and express courier (DHL, FedEx, UPS, TNT).
• Major Markets Served: North America, Europe (EU), Southeast Asia, Middle East (UAE, Saudi Arabia), Africa, and South America.
• Fast Delivery: Efficient logistics to major ports (e.g., Shanghai, Ningbo) and industrial hubs, with typical lead times for in-stock items.
• Export Experience: Adept at handling international trade documentation and customs clearance, ensuring a smooth transaction for our partners.

Quality Assurance

We are committed to delivering only the highest quality products. Our quality assurance process includes:

• Certified Manufacturing: Production in facilities holding ISO 9001:2000 and TS 16949 certifications, ensuring adherence to international automotive quality standards.
• 100% Testing: Every injector undergoes professional testing for flow rate, pressure, and spray pattern to guarantee performance and reliability.
• Rigorous Inspection: Multi-point inspection during and after production to eliminate defects and ensure dimensional accuracy.
• Warranty Coverage: All products are covered by a 6-month warranty against manufacturing defects, offering you confidence in your purchase.

FAQ

Q1: Is this injector a direct replacement for my Cummins ISL9 engine?

Yes, this injector (part number 0445120304 / 5283275 / 5272937) is designed as a direct OEM replacement for Cummins ISLe and ISL9 engines. It is a drop-in part that should match the original injector’s specifications. However, we always recommend verifying your engine’s specific injector code and year of manufacture to ensure compatibility.

Q2: What is the recommended installation procedure for this injector?

Installation should be performed by a qualified diesel technician. Key steps include: 1) Ensuring the engine is cool and the fuel system is depressurized. 2) Cleaning the injector bore thoroughly. 3) Replacing copper washers and O-rings with new ones (not included). 4) Torquing the injector clamp to the manufacturer’s specified setting. 5) Priming the fuel system and checking for leaks before starting the engine.

Q3: How can I ensure the longevity of this injector?

To maximize the service life of your new injector, use high-quality diesel fuel and replace your fuel filters regularly. Contaminated fuel is a primary cause of injector failure. Additionally, adhering to the engine manufacturer’s recommended maintenance schedule for fuel system components will help maintain optimal performance and prevent premature wear.