0445120133 Injector Assembly for Cummins QSL9 Diesel Engine

0445120133 Injector Assembly for Cummins QSL9 Diesel Engine Featured Image
  • 0445120133 Injector Assembly for Cummins QSL9 Diesel Engine

Short Description:

 0445120130 common‑rail fuel injector assembly is high‑precision fuel injection hardware tailor‑made for Weichai WD10 diesel power units.

Product Detail

Product Tags

description

As the core fuel‑spraying component for Cummins QSL9 diesel engine, 0445120133 stands up to persistent high‑pressure diesel scouring, frequent load transitions and severe mechanical vibration arising from long‑distance hauling and high‑intensity site construction. Ordinary injectors are prone to nozzle erosion and internal valve assembly fatigue under such harsh operating conditions, further giving rise to weakened injection accuracy, incomplete combustion and gradual power attenuation. Optimized for real‑world heavy‑duty application scenarios of QSL9 engine, this assembly adopts high‑strength wear‑resistant alloy steel and reinforced anti‑fatigue valve group. Its precision‑processed nozzle generates uniform fine fuel mist to guarantee sufficient in‑cylinder combustion. The upgraded control valve improves accuracy of injection timing and fuel metering, effectively lowering risks of internal leakage and pressure loss. Reinforced integrated‑type structure copes with repeated high‑pressure impact over long‑time service cycles. Every finished unit undergoes strict high‑pressure cycle inspection, atomization performance test and dimensional calibration, making it a direct replacement for aged and defective original injectors.

product parameters

Model Number: 0445120133
Product Type: Complete common rail diesel fuel injector assembly
Applicable Engine: Cummins QSL9 Diesel Engine
Applicable Equipment: Heavy‑duty trucks, large‑tonnage excavators and engineering machinery with Cummins QSL9 power
Rated Working Pressure: 1600 bar
Working Temperature: -40℃ ~ +120℃
Material: High‑strength wear‑resistant alloy steel, anti‑aging high‑performance sealing compound
Included Parts: Precision nozzle core, control valve assembly, full set of sealing spare parts
Manufacturing Standard: OEM upgraded micron‑level tolerance specification
Working Condition: Long‑haul transportation, high‑intensity site operation, frequent load fluctuation
Core Function: Restore engine torque output, stabilize idle condition, optimize fuel atomization, eliminate black exhaust smoke and cut diesel consumption

advantage

OEM‑Standard Dimension Compatibility: Produced according to Cummins QSL9 original technical specifications. All dimensional data and injection parameters match original parts perfectly, supporting plug‑in replacement without cutting or drilling modification.
Heavy‑Duty Condition Tuning: Calibrated for QSL9 engine’s long‑time heavy‑load characteristics. It maintains stable injection accuracy and consistent atomization performance amid fluctuating pressure and variable loads, adapting to complicated road and construction‑site environments.
Whole‑Unit Replacement Reduces Downtime: Complete‑assembly swap simplifies on‑site maintenance workflow, greatly shortens repair hours, reduces equipment stand‑still period and cuts fleet operation‑maintenance expenditure.
Enhanced Wear‑Resistant Anti‑Aging Construction: Adopts upgraded wear‑proof alloy substrate and composite sealing materials, resisting high‑pressure diesel erosion and chemical corrosion, slowing component aging and extending overall injector service lifespan.

FAQ

Q1: What faulty symptoms can this 0445120133 injector solve?
A: This injector effectively fixes various failures caused by long‑term aging, internal carbon accumulation and worn injectors, including insufficient engine power, unstable jittery idle speed, black smoke during acceleration, difficult cold start in low‑temperature winter conditions, delayed throttle response and abnormally high fuel consumption under normal driving conditions.
Q2: Which engine models is 0445120133 suitable for?
A: It is specially designed and compatible with Cummins QSL9 series diesel engines, widely used on matching heavy‑duty trucks, large‑tonnage excavators and engineering machinery for long‑distance transport and site construction assignments.
Q3: How to extend the service life of the common rail injector?
A: Use qualified clean diesel oil; replace fuel filters on the specified maintenance cycle; avoid long‑term full‑load operation and frequent aggressive acceleration to reduce frequent high‑pressure impact on the injector.

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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