Product Overview

This high-performance diesel fuel injector is a direct replacement for Cummins 8.3-liter common rail engines. Engineered for precision fuel delivery, it ensures optimal combustion efficiency and engine power output. Our injectors are manufactured to meet or exceed OEM specifications, providing a reliable solution for heavy-duty applications. We supply to major markets globally, including North America, Europe, Southeast Asia, and the Middle East, ensuring fast and secure shipping to industrial centers and ports worldwide.

Key Features & Benefits

• Precision Engineering: Features a DLLA118P2234 nozzle for accurate fuel atomization, improving combustion and reducing emissions.
• Durable Construction: Made from high-grade steel to withstand extreme pressures and temperatures within the common rail system.
• 100% Professional Testing: Every injector is rigorously tested for flow rate, spray pattern, and pressure integrity before shipment.
• Direct Fitment: Designed as a direct OE replacement, requiring no modifications for installation on compatible Cummins engines.
• Reliable Performance: Restores engine power, reduces fuel consumption, and minimizes smoke output compared to worn injectors.

Technical Specifications

OEM Cross-Reference

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

• 0445120272 (Bosch / Common Rail Injector)
• 0445120112 (Bosch / Alternative Part Number)
• 4940439 (Cummins OEM Number)
• DLLA118P2234 (Nozzle Reference)

Compatibility

This injector is specifically designed for use in:

• Engine Model: Cummins 8.3L (ISB / QSB series) Common Rail Diesel Engines.
• Vehicle Applications: Medium-duty trucks, buses, agricultural tractors, construction equipment, and industrial machinery powered by the Cummins 8.3L platform.
• Year Range: Generally compatible with models manufactured from the early 2000s onward, depending on the specific engine control system.

Important: Always verify your engine’s specific injector code and engine serial number to ensure correct fitment.

Global Supply & Distribution

• Worldwide Shipping: We offer reliable shipping via DHL, FedEx, UPS, and sea freight to all major international destinations.
• Key Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Japan, Singapore), Middle East (UAE, Saudi Arabia), and Africa.
• Fast Delivery: Standard delivery times are 3-30 days depending on location and shipping method. We maintain stock in our Shandong, China warehouse for rapid dispatch.
• Trade Compliance: We have extensive experience in international export documentation and customs clearance, ensuring a smooth transaction.

Quality Assurance

• Manufacturing Standards: Produced in an ISO-certified facility with strict quality control processes.
• Testing: 100% professional testing for flow rate, spray pattern, and leak tightness before packaging.
• Warranty: Backed by a 6-month warranty against manufacturing defects.
• Packaging: Secure, customized packaging available to prevent damage during transit.

FAQ

1. How do I confirm this injector fits my Cummins 8.3 engine?
Check the injector part number stamped on your current injector. If it matches 0445120272 or 0445120112, this is the correct replacement. Also, verify your engine’s serial number and ECM calibration to ensure compatibility.

2. What is the recommended installation procedure?
We recommend professional installation. Key steps include: cleaning the injector bore, replacing copper washers and O-rings, torquing the injector retaining bolt to manufacturer specifications (typically 50-60 Nm), and using a scan tool to code the new injector’s IQA (Injector Quantity Adjustment) code into the ECU for optimal performance.

3. How can I maintain these injectors for maximum lifespan?
Use high-quality diesel fuel and replace fuel filters regularly. Avoid running the fuel tank low to prevent air ingress. If injector-related issues arise (misfire, white smoke, poor fuel economy), have the entire fuel system inspected, including the high-pressure pump and fuel rail, to prevent contamination of new injectors.