0445120242 Injector Assembly for Dongfeng EHQ200 Diesel Engine

0445120242 Injector Assembly for Dongfeng EHQ200 Diesel Engine Featured Image
  • 0445120242 Injector Assembly for Dongfeng EHQ200 Diesel Engine

Short Description:

0445120241 common‑rail fuel injector assembly is high‑precision fuel injection spare part matched for Cummins ISLe 8.9L and QSL9 diesel engine.

Product Detail

Product Tags

description

As the core fuel‑injection executive component of Dongfeng EHQ200 diesel power, 0445120242 withstands cyclic high‑pressure scouring, frequent start‑stop impact and continuous mechanical vibration generated in urban distribution, suburban short‑haul delivery and variable‑temperature daily road operation. Ordinary injectors are prone to spray‑hole carbon deposition and inner‑valve‑group fatigue under unstable diesel quality and frequent load fluctuation, resulting in poor fuel atomization, incomplete combustion and obvious power drop‑off under full‑load cargo‑carrying status. Specially calibrated for real‑world medium‑duty logistics working characteristics of Dongfeng EHQ200 engine, this injector adopts high‑strength wear‑resistant alloy steel and reinforced control‑valve assembly. Its micro‑precision machined nozzle produces evenly‑distributed fine fuel mist to enhance in‑cylinder combustion efficiency under frequent variable‑load cycles. Optimized inner control unit stabilizes injection timing and single‑cycle fuel supply volume, effectively restraining internal back‑leakage and pressure loss during long‑time cargo‑loaded running. Reinforced integrated structural design resists repeated mechanical impact caused by frequent start‑stop switching. Each finished injector passes complete bench tests including fuel flow deviation, spray pattern inspection and durability simulation, capable of direct substitution for aged and malfunctioning original injectors.

product parameters

Model Number: 0445120242
Product Type: Complete common‑rail diesel fuel injector assembly
Applicable Engine: Dongfeng EHQ200 Diesel Engine
Applicable Equipment: Dongfeng medium‑duty trucks, urban‑suburban logistics transport vehicles
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
Supply Status: Finished integral assembly ready for field mounting
Installation Method: Original‑position direct replacement
Core Function: Restore full‑load climbing power output, stabilize idle operating condition, improve fuel atomization uniformity, reduce black‑smoke emission and restrain abnormal fuel‑consumption growth

advantage

OEM‑Consistent Mounting Dimension: Produced according to original installation benchmark, mounting hole position and overall outline fully match OEM spare parts, supporting direct swap‑in without secondary machining adjustment.
Medium‑Duty Logistics‑Oriented Calibration: Tuned for domestic medium truck frequent start‑stop and short‑haul delivery features, adapts to complex diesel quality and mixed urban‑suburban road conditions, maintains stable injection performance under daily high‑frequency operation.
Whole‑Unit Replacement Reduces Vehicle Downtime: Complete‑assembly swap simplifies on‑site repair workflow, shortens vehicle offline duration and cuts comprehensive operating expenditure for logistics fleet customers.
Matching Sealing Repair Kit Attached: Brand‑new supporting sealing accessories are supplied together, meeting routine maintenance and major engine overhaul requirements without extra‑part purchasing workload.
Upgraded Anti‑Fatigue Valve‑Group Structure: Reinforced valve assembly mitigates cyclic impact damage caused by frequent start‑stop switching and fuel impurity erosion, slows internal‑component ageing and extends injector service lifespan under high‑frequency logistics cycles.

FAQ

Q1: What faulty symptoms can this 0445120242 injector solve?

A: It improves multiple common failures induced by nozzle carbon accumulation, partial clogging and inner‑part wear, including insufficient full‑load climbing power, unstable fluctuating idle speed, obvious black smoke during rapid acceleration, difficult cold‑start under low‑temperature surroundings, delayed throttle feedback and abnormal rise in diesel consumption.

Q2: Which engine models is 0445120242 suitable for?

A: It is specially matched for Dongfeng EHQ200 diesel engines, widely applied for Dongfeng medium‑duty trucks and urban‑suburban logistics vehicles.

Q3: Is ECU coding or programming required after installation?

A: Most Dongfeng EHQ200 vehicle equipment supports plug‑and‑play direct replacement. Individual updated electronic control units need corresponding injector code input to obtain optimal fuel‑supply matching performance.

Q4: What are the key installation precautions?

A: Fully clear residual contaminants inside fuel rail and pipelines before mounting; adopt brand‑new matched sealing accessories; keep assembly surroundings dust‑free to prevent fine particles entering precision internal components; carry out idle‑speed and full‑load test after installation and inspect all joints for fuel leakage.

Q5: 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 driving whenever possible; reduce frequent sharp load changes to ease cyclic pressure impact on inner 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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