0445110782 Injector Assembly for Weichai Diesel Engine

Short Description:

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

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Product Detail

Product Tags

description

0445110782 acts as the vital common‑rail fuel injection core for Weichai diesel engines. In real‑world heavy‑duty transportation scenarios, sustained high‑pressure fuel washing, frequent load fluctuation and chassis vibration will gradually produce micro‑wear on spray orifices and bring fatigue damage to internal valve groups. This will degrade injection accuracy, lower combustion efficiency and result in continuous power drop. Optimized according to SG04 commercial‑grade standards, this injector adopts high‑toughness wear‑proof alloy steel together with strengthened anti‑fatigue valve assembly. Its elaborately processed nozzle generates delicate, evenly‑spread fuel mist for full cylinder combustion. Refined control valve improves injection timing and fuel‑metering precision, lowering risks of inner leakage and pressure loss. Reinforced inner framework bears repeated high‑pressure impact. Every finished injector passes strict high‑pressure cyclic test, atomization inspection and dimensional calibration for direct substitution of worn‑out injectors.

product parameters

Model Number: 0445110782
Product Type: Complete common‑rail diesel fuel injector assembly
Applicable Engine: Weichai Diesel Engine
Applicable Equipment: Light‑medium duty commercial trucks, engineering service vehicles, logistics transport fleets
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: Mixed urban‑highway routes, variable‑load haulage, frequent start‑stop cycles
Core Function: Restore engine output torque, stabilize idle operation, optimize fuel atomization, suppress black exhaust smoke and cut down diesel consumption

advantage

SG04‑Grade OEM Matching Performance: Produced following SG04 micron‑level original‑equipment specification, well‑matched to Weichai engine parameter requirements; plug‑and‑play without cutting or modifying components.
Custom‑Tuned for Mixed Commercial Vehicle Conditions: Calibrated for changeable‑load haulage and frequent start‑stop cycles of commercial vehicles, keeping stable atomization and precise fuel supply amid diverse road circumstances.
Integrated Assembly Reduces Vehicle Downtime: Full‑unit replacement shortens field repair hours, cuts vehicle offline duration and lowers overall fleet maintenance expenditure.
Complete Supporting Accessory Kit: Equipped with core vulnerable components and anti‑aging sealing parts, suitable for daily routine maintenance as well as comprehensive engine overhaul projects.
Multi‑Stage Strict Factory Validation: High‑pressure cycling, atomization consistency and fatigue durability tests guarantee stable quality among different production batches.
Enhanced Anti‑Aging & Anti‑Corrosion Material Formula: Improved alloy substrate and composite sealing material resist fuel corrosion and cyclic pressure fluctuation, extending 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 0445110782?
A: It is purpose‑built for Weichai diesel engine. Widely fitted for light‑medium duty commercial trucks, engineering service vehicles and various logistics transport 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.
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.