0445120140 Injector Assembly for Cummins Diesel Engine

0445120140 Injector Assembly for Cummins Diesel Engine Featured Image
  • 0445120140 Injector Assembly for Cummins Diesel Engine

Short Description:

0445120134 common‑rail fuel injector assembly is a high‑precision fuel injection component tailored for Cummins ISF3.8 light‑medium duty diesel power。

Product Detail

Product Tags

description

As the core fuel‑injection executive component of Cummins ISC8.3 diesel engine, 0445120140 copes with alternating pressure impact, frequent load jump and sustained mechanical vibration generated during mine site transportation, municipal engineering operation and long‑time stationary industrial working cycles. Ordinary injectors tend to suffer nozzle orifice blockage and control valve fatigue under complicated fuel quality and alternating heavy‑light load conditions, which will trigger weakened injection precision, incomplete combustion and obvious mid‑range torque drop‑off. Specially calibrated for ISC8.3 medium‑heavy‑duty real‑world operating characteristics, this injector adopts high‑toughness anti‑abrasion alloy steel and reinforced control‑valve assembly. Its micro‑precision machined nozzle produces scattered fine fuel mist to lift in‑cylinder combustion efficiency remarkably. Optimized control assembly stabilizes injection timing and single‑cycle fuel quantity, effectively restraining internal back‑leakage and cyclic pressure fluctuation loss. Reinforced integrated structural design can withstand alternating high‑pressure shocks under variable‑load cyclic operation. Every finished unit passes comprehensive bench tests covering flow deviation, spray pattern inspection and dimensional tolerance verification, and can directly substitute aged and malfunctioning original injectors.

product parameters

Model Number: 0445120140
Product Type: Complete common‑rail diesel fuel injector assembly
Applicable Engine: Cummins ISC8.3 Diesel Engine
Applicable Equipment: Medium‑heavy‑duty dump trucks, municipal special vehicles, large‑size agricultural machinery, stationary industrial power units with Cummins ISC8.3 power
Rated Working Pressure: 1600 bar
Working Temperature: ‑40℃ ~ +120℃
Material: High‑toughness anti‑abrasion 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: Mine short‑haul transportation, municipal engineering, intermittent variable‑load operation, long‑time stationary running

advantage

Original‑Spec Installation Matching: Produced according to ISC8.3 original installation benchmark, mounting hole spacing and overall outline are consistent with OEM parts, realizing direct swap‑in without secondary machining.
Medium‑Heavy‑Duty Alternating‑Load Calibration: Tuned for intermittent heavy‑light load cycles common in mining and municipal fleets. It maintains steady injection performance amid frequent load transition, adapting to complicated field and road mixed scenarios.
Whole‑Unit Swap Reduces Downtime Risk: Complete‑assembly replacement simplifies on‑site repair workflow, shortens equipment offline duration and lowers comprehensive operating expenditure for engineering and industrial users.
Matched Sealing Repair Kit Attached: Comes with brand‑new matched sealing components, satisfying daily maintenance and medium‑term engine overhaul requirements without extra‑part procurement workload.
Multi‑Dimension Batch Bench Inspection: Each finished batch undergoes flow deviation test, spray morphology check and precision dimension verification, securing stable product consistency batch‑to‑batch.

FAQ

Q1: What faulty symptoms can this 0445120140 injector solve?

A: It improves multiple typical malfunctions brought by carbon stacking, nozzle clogging and inner‑component wear, including insufficient mid‑range torque, wandering idle speed, grey‑black smoke while load surges, tough cold startup under low‑temperature environment, sluggish power response and abnormal rise in diesel consumption.

Q2: Which engine models is 0445120140 suitable for?

A: It is specially developed for Cummins ISC8.3 diesel engines, widely applied for medium‑heavy‑duty dump trucks, municipal special vehicles, large agricultural machinery and stationary industrial power units for mine, municipal and farm‑site assignments.

Q3: Is ECU coding or programming required after installation?

A: Most ISC8.3 equipment supports plug‑and‑play direct replacement. Individual late‑model electronic control units need corresponding injector code input to acquire ideal fuel‑supply matching result.

Q4: What are the key installation precautions?

A: Fully clear residual dirt inside fuel rail and pipelines before mounting; adopt brand‑new matched sealing accessories; keep assembly surroundings clean to prevent fine dust entering precision internal parts; carry out idle‑speed and variable‑load test after installation and check for fuel leakage points.

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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