0445120029 Injector Assembly for Cummins

0445120029 Injector Assembly for Cummins Featured Image
  • 0445120029 Injector Assembly for Cummins

Short Description:

0445120027 common‑rail fuel injector assembly is SG04 field-hardened injection component custom engineered for Isuzu diesel power systems.

Product Detail

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description

0445120029 constitutes the core fuel injection component for Cummins diesel engines. During continuous long‑distance haulage and all‑day site service, sustained high‑pressure diesel scouring, repeated load transitions plus chassis mechanical vibration gradually trigger micro‑scratches on spray orifices and fatigue deterioration inside valve groups. This impairs injection accuracy, cuts combustion efficiency and brings about progressive power decay. Optimized under SG04 heavy‑duty commercial‑vehicle specification, this injector adopts high‑strength anti‑wear alloy steel and reinforced fatigue‑resistant valve sub‑assembly. Its precisely machined orifice produces fine, evenly‑distributed fuel mist to realize sufficient in‑cylinder combustion. Improved control valve raises injection timing accuracy and fuel‑volume metering consistency, greatly lowering risks of inner leakage and pressure loss. Reinforced inner framework stands cyclic high‑pressure impact. Each finished unit passes rigorous high‑pressure cycle tests, atomization inspection and dimensional calibration, capable of direct replacement for worn‑out original injectors.

product parameters

  • Model Number: 0445120029
  • Product Type: Complete common‑rail diesel fuel injector assembly
  • Applicable Engine: Cummins Diesel Engine
  • Applicable Equipment: Heavy‑duty cargo lorries, engineering service trucks, municipal special‑purpose vehicles
  • Rated Working Pressure: 1600 bar
  • Working Temperature: -40℃ ~ +120℃
  • Material: High‑strength anti‑wear alloy steel, ageing‑resistant high‑performance sealing composite
  • Supply Status: Full finished assembly, ready‑to‑install
  • Installation Method: Original‑position direct swap‑in replacement
  • Working Condition: Long‑distance highway haulage, rough site road, frequent load variation
  • 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 Cummins engine parameter requirements; plug‑and‑swap without mechanical cutting or modification.
  • Field‑Oriented Tuning for Mixed‑Scenario Operation: Calibrated for heavy vibration and variable‑load characteristics of heavy‑duty commercial vehicles, maintaining steady atomization and accurate fuel supply under complex road and site conditions.
  • One‑piece Assembly Minimizes Machine Downtime: Full‑unit swap shortens on‑site repair duration, reduces equipment 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.
  • Improved Anti‑Degradation Material Formula: Modified alloy substrate and composite sealing material withstand diesel erosion and alternating pressure impact, extending total service lifespan of fuel injector.

FAQ

  • Q1: What operational symptoms can this replacement injector resolve?
  • A: This replacement injector fixes multiple abnormal conditions triggered by internal component aging and wear. Typical issues include weak engine pulling power, rough idling performance, visible black exhaust smoke under acceleration, hard cold‑start performance in cold climate, delayed pedal response and unexpectedly high diesel consumption.
  • Q2: Which engine and vehicle units suit part number 0445120029?
  • A: It is purpose‑built for Cummins diesel engines. Widely fitted for heavy‑duty cargo lorries, engineering service trucks and municipal special‑purpose vehicles.
  • Q3: Is injector coding or ECU programming necessary after installation?
  • A: Most vehicles support straightforward drop‑in replacement. Certain vehicle control units do demand injector code input to attain optimum combustion efficiency and running 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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