0445120007 Injector – Complete Specs, Compatible Engines & Vehicle Fitments

The 0445120007 is a common rail solenoid injector widely used in medium-duty commercial vehicles, city buses, and construction equipment. It is built on the Bosch CRIN2 platform and supports multi-event injection strategies (pilot, main, post injections) for improved combustion efficiency, fuel economy, and emissions control.

This guide provides a complete technical reference including specifications, compatible engines, OEM cross references, vehicle fitments, installation checklist, failure symptoms, maintenance schedule, and real-world fleet application insights.

All injectors supplied are 100% new aftermarket units, tested on professional common rail test benches, and backed by a 6-month warranty.

Quick Navigation

  • Technical Specifications
  • Compatible Engines
  • Known Vehicle Fitments
  • OEM / Cross Reference Numbers
  • Installation Checklist (4 Critical Steps)
  • Common Symptoms of Injector Failure
  • Maintenance Schedule for Fleet Vehicles
  • Real Customer Case Study
  • Why Fleets Trust This Injector
  • FAQ

1. Technical Specifications

All values are based on Bosch CRIN2 platform reference data and industry-standard calibration ranges. Actual values may vary depending on engine ECU calibration.

Bosch numbers: 0445120007 / 0 445 120 007
Type: High-pressure common rail solenoid injector
Platform: Bosch CRIN2 (CRI 2 generation)
Injection system: Common rail diesel system
Maximum system pressure: 1600-2000 bar 
Nozzle type: Multi-hole laser drilled (DSLA143P970)
Control valve: F00RJ00339
Calibration: IQA / IMA trim code supported
Coil resistance (20°C): 0.2 – 0.6 Ω
Return flow @ idle: ≤ 35 ml/min
Material: High-strength corrosion-resistant steel alloy

Note: System pressure refers to rail system pressure, not injector opening pressure.

0445120007 Injector – Complete Specs, Compatible Engines & Vehicle Fitments




























2. Compatible Engines

The 0445120007 injector is widely used across multiple diesel engine platforms:

  • Cummins ISBe – 3.9L / 5.9L / 6.7L
  • Cummins ISDe – medium-duty commercial applications
  • Cummins QSB – 4.5L / 5.9L industrial engines
  • Iveco Tector – 3.9L / 5.9L EuroCargo series
  • Agrale MA/MT E-Tronic – 3.9L / 5.9L (2005–2009)

These engines are commonly found in trucks, buses, agricultural machinery, and construction equipment.

3. Known Vehicle Fitments

Based on cross-referenced supplier catalogs and industry databases:

  • DAF LF Series (LF45 110kW–162kW range)
  • Iveco EuroCargo (Tector engines)
  • Iveco Daily VI
  • Dongfeng Kinland (ISBe engines)
  • Dongfeng Tianjin series
  • Yutong city buses (ISBe-powered)
  • Higer buses
  • King Long buses
  • Foton Aumark series
  • Ford Cargo commercial vehicles (ISBe engines)
  • New Holland construction/agriculture equipment
  • Case machinery platforms
  • Agrale MA/MT series

⚠ Always verify compatibility using engine serial number or original injector part number due to regional ECU calibration differences.

4. OEM / Cross Reference Numbers

This injector is interchangeable with multiple OEM references:

Bosch: 0445120007, 0445120212

Cummins: 4897271, 4025249, 5263307, 5255184, 4896444

Iveco / DAF: 2830957, 2830244, 2830221, 2830224

Ford: BG5X9E526AA, BG9X-9K526-BA, 3230159500

Volkswagen: 2R0130201A, 2R0198133

Agrale: 1405332, 1407306, 1409652

New Holland: 2830224, 2830957

5. Installation Checklist (4 Critical Steps)

Most injector failures after installation are caused by incorrect procedures:

1. Always replace copper sealing washer

Reusing old washers leads to combustion gas leakage, carbon buildup, and injector seat damage.

2. Clean injector bore thoroughly

Carbon or dirt inside the cylinder head can prevent proper seating and cause leakage.

3. Correct IQA / IMA coding

Injector trim codes must be programmed into ECU. Without coding, engine may show:

  • Rough idle
  • Misfire
  • Uneven cylinder contribution
  • Poor fuel economy

4. Clean fuel system before installation

Replace fuel filters and ensure no water or contamination is present.

We provide free technical guidance for installation and coding support.

6. Common Symptoms of Injector Failure

Understanding failure symptoms helps avoid unnecessary engine damage:

  • Hard starting (cold or hot)
  • Black smoke under acceleration
  • Rough or unstable idle
  • Loss of engine power
  • Increased fuel consumption
  • Engine misfire or vibration
  • Rail pressure instability

If multiple symptoms appear together, injector testing is recommended.

7. Maintenance Schedule for Fleet Vehicles

For buses, trucks, and construction equipment:

Fuel filter replacement: every 15,000–20,000 km
Injector balance test: every 80,000–100,000 km
Fuel system cleaning: every 50,000 km
Injector inspection: during major service intervals

Good fuel quality significantly extends injector lifespan.

8. Real Customer Case Study: City Bus Fleet (Southeast Asia)

A 12-unit city bus fleet operating ISBe-powered buses in Manila experienced repeated injector failures due to low-quality remanufactured parts.

Issues observed:

  • Frequent engine breakdowns
  • High fuel consumption
  • Rough idle and smoke complaints

After switching to tested new 0445120007 injectors:

  • Fuel efficiency improved
  • Breakdown frequency significantly reduced
  • Idle stability restored
  • Maintenance downtime reduced

This case highlights the importance of injector quality in high-duty urban transport operations.

9. Why Fleets Trust This Injector

The 0445120007 injector is widely used across multiple OEM platforms because of its reliability and precise fuel delivery characteristics.

It ensures:

  • Stable combustion under load
  • Accurate injection timing
  • Reduced emissions
  • Improved fuel efficiency
  • Long service life under fleet conditions

It is especially suitable for mixed-use fleets operating in urban stop-and-go environments.

10. FAQ

Q1: Is Bosch 0445120007 CRI2 or CRIN2?

It belongs to the Bosch CRIN2 (CRI 2) second-generation common rail solenoid injector platform.

Q2: What is the maximum pressure rating?

Up to 2,000+ bar depending on engine system design.

Q3: Do I need to code the injector?

Yes. IQA/IMA coding is required for proper fuel delivery and engine balance.

Q4: Can I replace only one injector?

Yes, but full injector balance testing is recommended for best performance.

Q5: What are common failure symptoms?

Hard start, black smoke, rough idle, and increased fuel consumption are key indicators.

Q6: How long does this injector last?

Typically 150,000–250,000 km depending on fuel quality and maintenance.

Q7: Can poor fuel damage this injector?

Yes. Contaminated or low-quality diesel is one of the main causes of injector failure.

Final CTA

If injector performance issues persist after installation and proper coding, the injector may be mechanically defective.

We provide:

✔ 100% new 0445120007 common rail injectors
✔ Individual flow and test reports
✔ 6-month warranty
✔ Fast international shipping

👉 Contact us for technical support, compatibility confirmation, and wholesale pricing.

👉 Read More: 0445120007 Common Rail Injector for Cummins ISBe – Specs & Vehicle Fitments

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