0445120187 Injector Assembly for Cummins Diesel Engine

0445120187 Injector Assembly for Cummins Diesel Engine Featured Image
  • 0445120187 Injector Assembly for Cummins Diesel Engine

Short Description:

0445120186 common rail fuel injector assembly is a high-precision OE replacement component specially developed for German MAN heavy truck diesel engines.

Product Detail

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description

As the core fuel injection component of Cummins diesel engines, 0445120187 withstands continuous high-pressure diesel scouring and mechanical vibration during long-time heavy-duty operation. Standard injectors tend to suffer performance degradation after long service hours under harsh working conditions, leading to nozzle clogging, injection delay and incomplete combustion. This upgraded injector adopts high-strength wear-resistant alloy steel and reinforced anti-fatigue valve group. The ultra-precision machined nozzle generates uniform fine mist to improve in-cylinder combustion efficiency. Optimized internal pressure structure stabilizes fuel pressure during frequent load switching and long-time full-load operation, preventing power drop and fuel waste. Every finished injector passes flow calibration, atomization inspection, high-pressure cycle test and dynamic performance bench test to guarantee stable and consistent performance for Cummins power units.

product parameters

Model Number: 0445120187, standard Bosch common‑rail part number.
Product Type: Complete common‑rail diesel injector assembly, ready‑to‑install finished unit.
Applicable Engine: Cummins series diesel engine.
Applicable Equipment: Heavy‑duty trucks, construction machinery for logistics, mining and engineering sites.
Rated Working Pressure: 1600‑1800 Bar.
Working Temperature: -35℃ ~ +125℃.
Material: High‑strength wear‑resistant alloy steel plus high‑temperature aging‑proof sealing components.
Accessories: Matching sealing repair kit included.
Installation: OE‑size plug‑and‑play direct replacement, no modification needed.
Core Function: Restore engine power, stabilize idle, improve cold start, reduce black smoke and fuel consumption.

advantage

• Professionally calibrated for Cummins heavy‑duty working conditions. This injector is specially tuned for continuous heavy load, frequent load switching and dusty mining/construction sites. It maintains accurate fuel injection and stable combustion state during long‑time operation, effectively solving power shortage and engine jitter problems.
• Reinforced wear‑resistant and anti‑fatigue structure. Adopts upgraded alloy steel body and reinforced valve core structure, resisting diesel impurity erosion and high‑temperature aging. It reduces common failures such as nozzle blockage and valve sticking, greatly extending service life under harsh working conditions.
• Micron‑level precise atomization for higher combustion efficiency. Ultra‑fine precision nozzle produces uniform fine fuel mist, making diesel fully mixed and burned with air inside the cylinder. It significantly improves engine power and torque, reduces unburned fuel waste, and cuts black smoke emission.
• Stable pressure output with low loss under variable loads. Optimized internal pressure balance structure suppresses fuel backflow and pressure fluctuation during frequent acceleration, deceleration and load switching. It guarantees continuous and stable power output without obvious power drop during heavy‑duty operation.
• Strict multi‑dimensional bench testing for consistent quality. Each batch of products undergoes flow detection, atomization inspection, high‑pressure cycle test and high‑temperature durability test to ensure stable performance and reliable operation.

FAQ

• What faults can 0445120187 fuel injector solve?
It effectively fixes various typical faults caused by injector aging, carbon accumulation and internal wear, including difficult engine startup, unstable idle speed, weak heavy‑load power, black smoke exhaust during acceleration, insensitive throttle response and abnormal fuel consumption rise, completely restoring the original working performance of Cummins engines.
• Which engines and equipment is this injector suitable for?
This 0445120187 common rail injector is specially adapted for Cummins series diesel engines, widely used on Cummins heavy‑duty trucks and construction machinery, serving as a core replacement part for equipment maintenance and overhaul.
• How to extend the service life of the injector?
Use qualified clean diesel fuel and replace the fuel filter regularly to filter out moisture and impurities. Avoid long‑term full‑load overload operation and frequent sharp acceleration and deceleration to reduce internal high‑pressure impact. Regularly check the tightness of the fuel pipeline to keep the fuel system clean and delay component aging.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

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