Product Overview

This high-quality new common rail fuel injector, part numbers 0445120121 and 4940640, is specifically engineered for the Cummins ISLe-EU3 diesel engine. Manufactured in Shandong, China, this injector is designed to meet or exceed OE specifications for reliable performance and durability. We serve a global clientele, with active exports to markets across North America, Europe, Southeast Asia, the Middle East, and Africa, ensuring fast and reliable shipping to major industrial centers worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to strict tolerances for optimal fuel atomization, leading to improved combustion efficiency and power output.
• Enhanced Durability: Constructed from high-grade steel to withstand extreme pressures and temperatures within the common rail system, extending service life.
• Direct Replacement: Designed as a direct OE replacement for part numbers 0445120121 and 4940640, ensuring a perfect fit and straightforward installation.
• Improved Engine Performance: Restores original engine performance, reduces smoke emissions, and ensures smooth idling and acceleration.
• Cost-Effective Solution: A high-quality new unit offering significant savings compared to OEM dealership pricing without compromising on reliability.

Technical Specifications

OEM Cross-Reference

This fuel injector is a direct replacement for the following original equipment manufacturer (OEM) and common part numbers:

• Bosch: 0445120121
• Cummins: 4940640

Always verify your engine’s specific requirements and existing part number before purchasing.

Compatibility

This injector is specifically designed for use in the following applications:

• Engine Model: Cummins ISLe-EU3
• Application: This engine is commonly found in various heavy-duty trucks, buses, construction machinery, and agricultural equipment. Please confirm your engine code is ISLe-EU3 before ordering.

Global Supply & Distribution

We are a dedicated supplier of high-quality diesel engine parts with a robust global distribution network. Our capabilities include:

• Worldwide Shipping: We ship to all major continents including North America, Europe, Asia-Pacific, South America, Africa, and the Middle East.
• Fast Delivery: Efficient logistics ensure quick delivery to major ports (e.g., Rotterdam, Los Angeles, Shanghai, Dubai) and industrial hubs.
• Flexible Quantities: While our standard MOQ is 6 pieces, we can accommodate larger bulk orders for commercial clients.
• Export Compliance: We adhere to international trade standards and have extensive experience in cross-border B2B transactions.

Quality Assurance

• Manufacturing Standards: Produced in a facility that follows strict quality control processes to ensure each injector meets performance and reliability standards.
• Testing: Each unit undergoes rigorous testing for flow rate, pressure calibration, and spray pattern to guarantee optimal function.
• Warranty: We offer a 4-month warranty against manufacturing defects, providing peace of mind for your purchase.

FAQ

Q: How can I confirm this injector (0445120121 / 4940640) will fit my engine?
A: This injector is specifically designed for the Cummins ISLe-EU3 engine. Please check your engine’s data plate or service manual to confirm the engine code is “ISLe-EU3”. Also, verify your existing injector’s part number matches either 0445120121 or 4940640.

Q: What is the recommended installation procedure for this common rail injector?
A: Installation should be carried out by a qualified diesel mechanic. Key steps include: 1) Ensuring the fuel system is depressurized. 2) Cleaning the injector bore thoroughly. 3) Replacing the copper washer and sealing rings. 4) Tightening the injector clamp to the manufacturer’s specified torque. 5) After installation, the engine’s ECU may require recalibration for optimal performance.

Q: What maintenance is required for these injectors?
A: The longevity of common rail injectors is highly dependent on fuel quality. Always use clean, high-quality diesel fuel and replace fuel filters at the intervals specified by Cummins. Avoid running the fuel tank low, which can draw debris into the system. If you experience symptoms like hard starting, rough idling, or excessive smoke, have the injectors tested professionally.