Product Overview

This high-performance common rail fuel injector, model 0445120371, is a direct OE replacement designed specifically for the CAT C7.1 diesel engine. As a critical component in modern fuel systems, this injector ensures precise fuel atomization and optimal combustion efficiency. We supply this part globally, with regular shipments to major markets in North America, Europe, the Middle East, and Asia-Pacific, supporting heavy-duty trucking, construction, and agricultural applications.

Key Features & Benefits

• Precision Engineering: Manufactured to meet or exceed OEM specifications for exact fitment and performance.
• Enhanced Fuel Economy: Optimized spray pattern reduces fuel consumption and lowers operational costs.
• Durable Construction: Built with hardened steel components to withstand high injection pressures and extreme temperatures.
• 100% Tested: Every unit undergoes professional flow and pressure testing to ensure reliability.
• Reduced Emissions: Designed to support cleaner combustion, helping meet Tier 4/Stage IV compliance standards.

Technical Specifications

OEM Cross-Reference

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

• 0445120371 (Bosch / Common Rail Injector)
• 0 445 120 371 (Bosch Alternative Format)
• CAT C7.1 Injector (Caterpillar Engine Series)

Note: Always verify your engine serial number to confirm compatibility.

Compatibility

This fuel injector is specifically designed for the following applications:

• Engine Model: Caterpillar C7.1 (4-Cylinder & 6-Cylinder Configurations)
• Vehicle Types: Heavy-duty diesel trucks, excavators, wheel loaders, and agricultural tractors
• System: Common Rail Direct Injection

Year Range: Primarily used in engines manufactured from 2012 onwards.

Global Supply & Distribution

We offer reliable global shipping solutions to meet your urgent operational needs:

• Shipping Partners: DHL, UPS, FedEx, EMS, TNT
• Delivery Time: 3-7 business days (Express) to major industrial hubs
• Major Markets Served: USA, Canada, Germany, UK, UAE, Saudi Arabia, Australia, Singapore, South Africa
• Ports & Zones: Fast delivery to ports like Rotterdam, Shanghai, Dubai, Houston, and Los Angeles
• Export Experience: Established logistics network ensuring customs clearance and international trade compliance.

Quality Assurance

• Manufacturing Standard: ISO 9001 compliant production facility.
• Testing: Each injector is 100% flow-tested and pressure-calibrated before shipment.
• Warranty: 6-month warranty against manufacturing defects.
• Packaging: Secure, anti-static packaging to prevent damage during transit.

FAQ

Q1: Will this injector fit my CAT C7.1 engine without modifications?
A: Yes, this injector (0445120371) is a direct OE replacement for the CAT C7.1 engine. It is designed to be plug-and-play, matching the original Bosch specifications. However, we recommend checking your engine’s serial number against the OEM part list to ensure compatibility.

Q2: What is the recommended maintenance interval for these injectors?
A: For optimal performance, inspect and service common rail injectors every 1,500-2,000 operating hours. For the CAT C7.1, it is critical to replace fuel filters regularly and use high-quality diesel to prevent injector fouling. If you notice rough idling or increased smoke, immediate replacement is advised.

Q3: Do you provide calibration data or installation instructions?
A: While the injector is pre-calibrated and tested, we recommend having installation performed by a certified diesel technician. We can provide basic installation guidelines upon request. For detailed technical data (e.g., flow rate, IQA codes), please contact our support team with your engine details.