0445110794 Injector Assembly for construction machinery

0445110794 Injector Assembly for construction machinery Featured Image
  • 0445110794 Injector Assembly for construction machinery

Short Description:

0445110782 common‑rail fuel injector assembly is an SG04‑optimized high‑precision injection component developed for Weichai diesel power units.

Product Detail

Product Tags

description

0445110794 functions as the critical common‑rail fuel injection core for construction machinery diesel engines. Under actual engineering operation, persistent high‑pressure fuel scouring, sharp load variation and intense equipment vibration will gradually produce micro‑wear on spray holes and fatigue damage to internal valve groups. This degrades injection accuracy, impairs combustion efficiency and brings about steady power decay. Optimized to SG04 off‑road heavy‑duty standard, this injector adopts high‑toughness wear‑resistant alloy steel plus reinforced anti‑fatigue valve assembly. Its finely processed nozzle generates delicate and evenly‑distributed fuel mist to guarantee sufficient in‑cylinder combustion. Improved control valve enhances injection timing and fuel‑metering accuracy, minimizing inner leakage and pressure drop risks. Reinforced internal structure withstands repeated heavy‑load high‑pressure impact. Each finished injector goes through strict high‑pressure cycle test, atomization inspection and dimensional calibration for direct substitution of failed old injectors.

product parameters

  • Model Number: 0445110794
  • Product Type: Complete common‑rail diesel fuel injector assembly
  • Applicable Engine: Diesel engine for construction machinery
  • Applicable Equipment: Excavators, wheel loaders, road rollers and other off‑highway engineering machinery
  • 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
  • Supply Status: Whole assembly, ready for direct installation
  • Installation Method: Original‑position direct replacement
  • Working Condition: Dusty construction site, continuous heavy‑duty operation, 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 Heavy‑Duty OEM‑Grade Matching: Produced under SG04 micron‑level original‑equipment specification, well‑suited for construction machinery diesel engine parameters; plug‑and‑play with no component cutting or modification required.
  • Calibrated for Harsh Off‑Road Working Conditions: Tuned for site dust interference, frequent load swing and long‑hour continuous duty of engineering machines, maintaining stable atomization and accurate fuel delivery under complicated field circumstances.
  • Integrated Assembly Cuts Equipment Downtime: Full‑unit swap shortens on‑site repair time, reduces machine stand‑still duration and lowers overall project maintenance expenditure.
  • Complete Supporting Accessory Kit: Equipped with core vulnerable components and anti‑aging sealing parts, fit for routine site maintenance as well as complete engine overhaul work.
  • Multi‑Round Rigorous Factory Inspection: High‑pressure cycling, atomization consistency and fatigue durability tests guarantee stable quality among different production batches.
  • Optimized Anti‑Aging & Anti‑Corrosion Material Formula: Improved alloy substrate and composite sealing material resist fuel erosion and cyclic pressure impact, lengthening the whole service cycle 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 0445110794?
  • A: It is purpose‑built for construction machinery diesel engines. Widely fitted for excavators, wheel loaders, road rollers and various kinds of off‑highway engineering equipment.
  • 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.
  • Q4: What essential points should technicians observe during fitting?
  • A: Fully flush away dirt and residue inside fuel rails and connecting pipelines. Always mount brand‑new sealing gaskets. Keep the whole assembly area dust‑free. After finishing installation, carry out idle‑speed test and acceleration inspection to verify working status.

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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