0445110351 Bosch Common Rail Injector – Precision Control For 1.3L Diesel Platforms | Euro 4/5 Optimized Fuel Delivery

In modern Euro-compliant diesel engines, injector performance is no longer just about fuel delivery-it is about combustion strategy optimization. The Bosch 0445110351 injector is engineered specifically for 1.3L Multijet / HDi / CDTI platforms, where tight emission control, low fuel consumption, and stable idle behavior are critical.

Unlike heavy-duty injectors focused on sheer flow rate, this model emphasizes ultra-precise micro-injection events, enabling smoother combustion cycles and reduced particulate output-making it a strategic choice for light-duty commercial fleets and passenger diesel vehicles across Europe.

 

⚙️ Technical Data & Identification

 

Parameter	Specification
Product Model	0445110351
Manufacturer	Bosch
System Type	Common Rail Diesel (CRDI)
Control Type	Solenoid-controlled
Nozzle Type	DLLA150P1734
Valve Assembly	F00V C01 200
Engine Range	1.3L MultiJet / HDi / CDTI
Emission Standard	Euro 4 / Euro 5
Test Method	Bosch DCI Bench Calibration

✔ Each unit undergoes full-load and pilot injection calibration, ensuring consistency in injection quantity and spray atomization.

 

 

The 0445110351 adopts a compact solenoid-actuated architecture, optimized for rapid response cycles:

High-speed solenoid valve → Enables multiple injection pulses per cycle

Micro-hole nozzle geometry → Enhances atomization at lower displacement engines

Balanced control chamber design → Stabilizes injection timing under varying loads

Leak-off optimized circuit → Maintains system pressure efficiency

👉 Compared to heavy-duty injectors, this design prioritizes:

Faster response time

Reduced fuel return flow

Lower noise & vibration

 

 

✔ Choose suppliers offering:

Bosch-certified test reports

IMA coding (if applicable)

Full sealing kit (copper washer + O-ring)

Exchange program (remanufactured units)

✔ Consider:

New vs Remanufactured cost balance

Fleet-level consistency (batch calibration)

 

 

Within the CRDI system, this injector interacts with:

High-pressure pump (CP1/CP3 variants depending on platform)

Rail pressure sensor

ECU-controlled injection timing maps

📌 Its role is not standalone-it directly affects:

EGR efficiency

DPF regeneration cycles

Turbocharger response consistency

 

1. Is 0445110351 interchangeable with other Bosch injectors?

No. Even if physically similar, flow rate and ECU calibration differ. Always match OEM numbers.

2. New vs Remanufactured – which is better?

New: higher reliability, longer lifecycle

Reman: cost-effective, suitable for fleet maintenance

3. Do I need coding after installation?

In most Euro systems, injector coding is recommended for optimal ECU adaptation.

4. What is the typical lifespan?

Generally 120,000–180,000 km, depending on fuel quality and maintenance.

5. Can poor fuel damage this injector quickly?

Yes. Small-orifice nozzles are highly sensitive to contamination.

6. How to confirm compatibility before purchase?

Use:

VIN number

Engine code

OEM cross-reference

 

 

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