0445120304 Injector Assembly for Cummins ISL9 Diesel Engine

0445120304 Injector Assembly for Cummins ISL9 Diesel Engine Featured Image
  • 0445120304 Injector Assembly for Cummins ISL9 Diesel Engine

Short Description:

0445120297 common-rail fuel injector assembly is high-precision fuel injector replacement part for Foton Cummins diesel engine,  Widely fitted on Foton heavy trucks and medium commercial vehicles used for road haulage and urban distribution.

Product Detail

Product Tags

description

As the core fuel injection executive component of Cummins ISL9 diesel engine, 0445120304 withstands sustained high-pressure diesel flushing, frequent load changes and constant mechanical vibration generated during long-distance transportation and construction operation. Ordinary injectors tend to suffer spray hole blockage and valve group wear under continuous heavy-duty running, leading to poor atomization, incomplete combustion and obvious power drop under full load. This injector is calibrated to match ISL9 engine’s high-torque characteristics, adopting high-strength alloy steel and reinforced control valve assembly. Precisely machined nozzle generates fine fuel mist and improves combustion efficiency under heavy load. Optimized internal oil circuit stabilizes injection timing and fuel delivery volume, reducing back-leakage risk during long working hours. Reinforced integrated structure resists cyclic pressure shock and vibration. Every finished injector passes bench inspection of fuel flow, spray pattern and durability test for reliable substitution of aged OEM injectors.

product parameters

Model Number: 0445120304
Product Type: Complete common-rail diesel fuel injector assembly
Applicable Engine: Cummins ISL9 Diesel Engine
Applicable Equipment: Heavy-duty trucks, passenger coaches, construction machinery
Rated Working Pressure: 1600‑1800 bar
Working Temperature: ‑30℃ ~ +125℃
Material: High‑strength wear‑resistant alloy steel, ageing‑proof 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
Working Condition: Long-distance haulage, continuous heavy-duty operation, mountain climbing, variable load cycles
Core Function: Improve heavy-load power output, stabilize idle speed, refine fuel atomization, reduce black smoke emission and suppress abnormal fuel consumption

advantage

・Tuned for Continuous Heavy-Duty Work: Calibrated for ISL9 high torque requirement, maintains stable injection performance under prolonged heavy load and climbing conditions.
・Whole-Unit Replacement Reduces Equipment Downtime: Complete assembly replacement simplifies on-site repair steps, shortens machine idle period and cuts fleet operation cost.
・Matched Sealing Repair Kit Attached: Brand-new sealing accessories are supplied together, meeting maintenance and overhaul demands without extra purchasing.
・Batch-wise Bench Testing: Every batch passes flow deviation test, spray morphology inspection and durability verification, ensuring consistent performance between batches.
・Reinforced Anti-Wear Valve Group: Upgraded valve assembly resists erosion from fuel impurities and cyclic pressure impact, slowing internal wear and extending service life under heavy-duty operation.

FAQ 

Q1: What faulty symptoms can this 0445120304 injector solve?

A: It improves common faults caused by nozzle carbon coking and internal component wear, including insufficient power under heavy load, unstable idle speed, black smoke during acceleration, slow throttle response and abnormal fuel consumption rise.

Q2: What engines and equipment is 0445120304 suitable for?

A: It is specially adapted for Cummins ISL9 diesel engines, widely used for heavy-duty trucks, passenger coaches and construction machinery equipped with ISL9 power unit.

Q3: What are the key installation precautions?

A: Flush fuel rail and pipelines thoroughly to remove residual impurities; install brand-new sealing parts; ensure dust-free assembly environment; perform idle and heavy-load test after installation and check all joints for fuel leakage.

Q4: How to extend injector service life under heavy-duty working condition?

A: Use qualified diesel fuel and replace fuel filter on schedule; avoid long-time continuous full-load operation; reduce frequent sharp acceleration; keep fuel system clean to reduce impurity abrasion inside 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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