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.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .