0445120123 For Bosch Genuine Common Rail Injector | Fits Cummins ISDE, QSL Engines

Genuine Bosch 0445120123 fuel injector, made for Cummins ISDe engines. 100% brand new, not reman. Compatible with 4937065, 0986AD1048. Trusted by Dongfeng Tianlong and other medium-duty platforms.

 

The Bosch 0445120123 injector is an original, brand-new common rail fuel injector used in Cummins ISDe 4-cylinder and 6-cylinder engines. It is widely applied in Dongfeng Tianlong trucks, construction machinery, and commercial vehicles across Asia and beyond.

This injector supports high-pressure, electronically controlled fuel delivery, ensuring efficient combustion and reliable engine performance. As part of Bosch's trusted CRIN2 family, it meets global standards for emissions, fuel economy, and engine responsiveness.

If you're looking for a genuine Bosch injector - not remanufactured - the 0445120123 from Abosede Diesel is the right choice for long-term durability and optimal fit.

 

 

 

Type	Reference Code
Bosch New	0445120123
Cummins Part No.	4937065
Bosch Reman Code	0986AD1048

 

 

✅ 100% Bosch original new (not remanufactured)

✅ Precision-built for ISDe fuel systems

✅ Direct-fit replacement for Cummins 4937065

✅ Solenoid-controlled CRIN2 injector type

✅ Excellent durability under high-load conditions

✅ Ideal for fleet maintenance & OEM repair

 

 

 

 

 

 

This injector works in systems equipped with:
• Bosch 0445020157
• Bosch 0445020125
• Cummins 4988595 / 5256607
These high-pressure pumps are typically found in Cummins ISDe applications and are often paired with the 0445120123 injector in factory configurations.

 

 

While this injector is supplied as a complete, sealed unit, service technicians may also be interested in the following supporting components:

 

🛠️ Note: While this injector is not designed for DIY disassembly, all components are available for professional remanufacturing workshops upon request.

 

 

 

Keep an eye on the following symptoms in ISDe-powered trucks or machinery:

Symptom	Potential Issue
Poor acceleration	Worn nozzle / bad solenoid
Excessive smoke	Dripping or clogged nozzle
Hard cold starts	Leaking control valve
Fuel in oil	Internal seal failure
Cylinder misfire codes	Solenoid or electrical failure

Routine fuel system maintenance and early diagnosis help avoid expensive engine repairs.

 

 

 

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