0445120177 Injector Assembly for Cummins Diesel Engine

0445120177 Injector Assembly for Cummins Diesel Engine Featured Image
  • 0445120177 Injector Assembly for Cummins Diesel Engine

Short Description:

 0445120164 common‑rail fuel injector assembly is high‑precision fuel injection component specially developed for Yuchai YC6JA Euro‑3 diesel engine。

Product Detail

Product Tags

description

As the core fuel‑injection executive unit of Cummins QSB4.5 / QSB6.7 / ISB6.7 diesel engine, 0445120177 withstands cyclic high‑pressure impact, frequent load‑switching shock and persistent mechanical vibration from mining work, engineering construction and all‑day continuous equipment operation. Conventional injectors tend to suffer spray‑hole carbon blockage and inner valve‑group fatigue under variable‑quality diesel and alternating heavy‑light‑load conditions, resulting in uneven fuel atomization, incomplete combustion and obvious torque drop‑off during heavy‑load climbing. Specially calibrated for real‑world heavy‑duty characteristics of Cummins QSB / ISB power, this injector adopts high‑strength wear‑resistant alloy steel and reinforced control‑valve assembly. Its micro‑precision machined nozzle generates evenly‑distributed fine fuel mist to boost cylinder combustion efficiency. Optimized inner control assembly stabilizes injection timing and single‑cycle fuel supply volume, effectively restraining internal back‑leakage and pressure loss under long‑time full‑load operation. Reinforced integrated structural design copes with repeated mechanical impact brought by variable‑load cycles. Every finished injector passes complete bench tests including fuel flow deviation, spray pattern inspection and durability verification, capable of direct substitution for aged and malfunctioning original injectors.

product parameters

Model Number: 0445120177
Product Type: Complete common‑rail diesel fuel injector assembly
Applicable Engine: Cummins QSB4.5, QSB6.7, ISB6.7 Diesel Engine
Applicable Equipment: Excavators, heavy‑duty trucks, agricultural machinery, generator sets, special engineering vehicles
Rated Working Pressure: 1600‑1800 bar
Working Temperature: ‑40℃ ~ +120℃
Material: High‑strength wear‑resistant alloy steel, ageing‑resistant high‑performance sealing compound
Included Parts: Precision nozzle core, control‑valve assembly, matched sealing repair kit
Manufacturing Standard: Aftermarket upgraded micron‑level tolerance specification
Installation Method: Original‑position direct replacement
Working Condition: Mining site operation, engineering construction, long‑time continuous heavy‑duty operation

advantage

OEM‑Consistent Installation Dimension: Manufactured in accordance with Cummins original installation benchmark, mounting hole position and overall outline are fully consistent with OEM spare parts, enabling direct swap‑in without secondary machining adjustment.
Off‑Road & Mining Heavy‑Duty Calibration: Tuned for engineering machinery and mining equipment working characteristics, adapting to harsh dusty site and long‑time continuous operation. It maintains stable injection performance amid frequent load transition.
Whole‑Unit Replacement Cuts Equipment Downtime: Complete‑assembly swap simplifies on‑site repair workflow, shortens equipment offline duration and lowers comprehensive operating expenditure for engineering and logistics fleet users.
Matching Sealing Repair Kit Included: Equipped with brand‑new supporting sealing components, satisfying daily maintenance and major engine overhaul demands without extra‑part procurement workload.
Batch‑Wise Multi‑Item Bench Validation: Each finished batch completes flow deviation test, spray morphology check and durability simulation verification, securing stable batch‑to‑batch product consistency.

FAQ

Q1: What faulty symptoms can this 0445120177 injector solve?
A: It improves multiple typical malfunctions induced by nozzle carbon coking, partial blockage and inner‑component wear, including insufficient climbing torque, floating unstable idle speed, heavy black smoke under heavy‑load acceleration, tough cold startup under low‑temperature environment, lagging throttle feedback and abnormal rise in diesel consumption.
Q2: Which engine models is 0445120177 suitable for?
A: It is specially developed for Cummins QSB4.5, QSB6.7, ISB6.7 diesel engines, widely applied for excavators, heavy‑duty trucks, agricultural machinery and generator sets.
Q3: Is ECU coding or programming required after installation?
A: Most QSB / ISB6.7 equipment supports plug‑and‑play direct replacement. Individual updated electronic control units need corresponding injector code input to acquire ideal fuel‑supply matching result.
Q4: How to extend the service life of the common‑rail injector?
A: Use qualified purified diesel oil and strictly replace fuel filter following maintenance schedule; avoid long‑time continuous full‑load operation whenever possible; reduce frequent sharp load changes to ease cyclic pressure impact on internal assemblies.

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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