0445120032 Injector Assembly for Cummins

0445120032 Injector Assembly for Cummins Featured Image
  • 0445120032 Injector Assembly for Cummins

Short Description:

0445120029 common‑rail fuel injector assembly is SG04 robust‑calibrated fuel delivery unit tailored for Cummins diesel powertrains.

Product Detail

Product Tags

description

0445120032 acts as the core common rail injection component of Cummins diesel engines. During long-haul transportation and all-day site operation, continuous high-pressure diesel scouring, repeated load switching and chassis vibration gradually produce micro abrasion on spray holes and fatigue damage on internal valve assemblies. This weakens injection accuracy, reduces combustion efficiency and leads to gradual power loss. Optimized according to SG04 heavy-duty commercial vehicle standards, this injector uses high-toughness wear-resistant alloy steel and reinforced anti-fatigue valve assembly. Its precision-machined nozzle generates fine and evenly distributed fuel mist to realize full combustion inside cylinders. Improved control valve optimizes injection timing and fuel metering precision, minimizing internal leakage and pressure loss risks. Reinforced internal structure withstands repeated cyclic high-pressure impact. Each finished injector passes strict high-pressure cycle testing, atomization inspection and dimensional calibration to directly replace aged and malfunctioning injectors.

product parameters

  • Model Number: 0445120032
  • Product Type: Complete common‑rail diesel fuel injector assembly
  • Applicable Engine: Cummins Diesel Engine
  • Applicable Equipment: Heavy haul trucks, construction machinery carriers, municipal engineering vehicles
  • Rated Working Pressure: 1600 bar
  • Working Temperature: -40℃ ~ +120℃
  • Material: High‑toughness wear‑resistant alloy steel, anti‑aging high‑performance sealing compound
  • Included Parts: Precision nozzle core, control valve assembly, complete set of sealing accessories
  • Manufacturing Standard: SG04 upgraded OEM micron‑level tolerance standard
  • Working Condition: Long‑distance highway haulage, rough site road, frequent load fluctuation
  • Core Function: Restore engine output torque, stabilize idle operation, optimize fuel atomization, suppress black exhaust smoke and cut down diesel consumption

advantage

  • SG04 OEM-Grade Matching Performance: Produced following SG04 micron‑level OEM specification, perfectly matched to Cummins engine parameter requirements; plug‑and‑play without cutting or modifying mechanical components.
  • Custom Calibration for Heavy-Duty Transport: Tuned for heavy vibration and variable load working conditions of heavy commercial vehicles, maintaining stable atomization and accurate fuel supply under complex highway and site environments.
  • Integrated Assembly Reduces Vehicle Downtime: Full‑unit replacement shortens on-site repair time, cuts vehicle offline duration and lowers overall fleet maintenance expenditure.
  • Optimized Anti‑Aging & Anti‑Corrosion Material Formula: Modified alloy substrate and composite sealing material resist fuel erosion and cyclic pressure impact, extending the whole service cycle of fuel injector.

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 0445120032?

A: This injector is purpose‑built for Cummins diesel engines. It is widely applied on heavy‑duty hauling trucks, engineering transport vehicles and municipal‑special machinery.

Q3: Is injector code input or ECU calibration required after installation?

A: Direct replacement works for most vehicle models. For certain vehicle ECUs, corresponding injector codes need to be entered to achieve optimal combustion state and driving 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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Pack and ship

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