0445120044 Injector Assembly for MAN Truck Diesel Engine

0445120044 Injector Assembly for MAN Truck Diesel Engine Featured Image
  • 0445120044 Injector Assembly for MAN Truck Diesel Engine

Short Description:

0445120041 common‑rail fuel injector assembly is an SG04 heavy‑duty calibrated fuel injection component custom‑tailored for Korean Daewoo‑Doosan diesel power systems.

Product Detail

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description

0445120044 constitutes the core common‑rail fuel injection component for MAN truck diesel engines. During long-distance cargo transportation, persistent high‑pressure diesel scouring, repeated load transitions plus chassis vibration gradually generate micro‑scratches on spray orifices and fatigue deterioration inside valve assemblies. This impairs injection accuracy, lowers combustion efficiency and brings progressive power decay. Optimized following SG04 heavy‑duty commercial vehicle standards, this injector adopts high‑strength anti‑wear alloy steel and reinforced anti‑fatigue valve sub‑assembly. Its precisely machined nozzle produces fine and evenly‑spread fuel mist to realize sufficient in‑cylinder combustion. Improved control valve enhances injection‑timing accuracy and fuel‑volume metering consistency, greatly minimizing inner‑leakage and pressure‑loss risks. Reinforced inner framework stands cyclic high‑pressure impact. Every finished unit passes rigorous high‑pressure cycle tests, atomization inspection and dimensional calibration for direct replacement of aged, malfunctioning original injectors.

product parameters

  • Model Number: 0445120044
  • Product Type: Complete common‑rail diesel fuel injector assembly
  • Applicable Engine: MAN Truck Diesel Engine
  • Applicable Equipment: German MAN heavy-duty cargo trucks, long-haul logistics vehicles
  • Rated Working Pressure: 1600 bar
  • Working Temperature: -40℃ ~ +120℃
  • Material: High‑strength anti‑wear alloy steel, ageing‑resistant high‑performance sealing composite
  • Included Parts: Precision nozzle core, control valve sub‑assembly, full set of sealing auxiliary fittings
  • Manufacturing Standard: SG04 upgraded OEM micron‑level tolerance standard
  • Supply Status: Full finished assembly, ready‑to‑install
  • Core Function: Recover engine torque output, stabilize idle rotation, upgrade fuel atomization quality, suppress black exhaust smoke, cut excessive diesel consumption

advantage

  • SG04 OEM‑matched Compatibility: Produced according to SG04 micron‑level OEM specification, perfectly matches MAN truck engine parameter requirements; plug‑and‑swap without mechanical cutting or modification.
  • Field‑Oriented Tuning for Heavy‑Duty Transport: Calibrated for heavy payload and variable‑load characteristics of long-haul trucks, maintaining steady atomization and accurate fuel supply under continuous highway transportation surroundings.
  • One‑piece Assembly Minimizes Vehicle Downtime: Full‑unit swap shortens on‑site repair duration, reduces truck stand‑still hours and lowers overall fleet maintenance expenditure.
  • Complete Supporting Fitting Package: Comes with core vulnerable components plus anti‑age sealing parts, covering routine vehicle maintenance as well as complete engine overhaul work.
  • Multi‑step Strict Factory Validation: High‑pressure cycle durability, atomization uniformity and fatigue‑resistance verification guarantee consistent quality among production batches.

FAQ

  • Q1: What kinds of malfunctions can this brand‑new injector assembly resolve?
  • A: It addresses typical failure symptoms triggered by internal aging and component wear of the fuel injector. These include sluggish acceleration, rough and fluctuating idle speed, black smoke emission under acceleration, difficult cold startup in low‑temperature environments, delayed accelerator response, and abnormally high fuel consumption.
  • Q2: Which engines and vehicle equipment fit part number 0445120044?
  • A: This injector is purpose‑built for German MAN truck diesel engines. It is widely applied on MAN heavy-duty cargo trucks and long-haul logistics vehicles.
  • Q3: Is injector code input or ECU calibration required after installation?
  • A: Direct replacement works for most vehicle models. For certain truck ECUs, corresponding injector codes need to be entered to achieve optimal combustion state and operating performance.

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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