0445120333 Injector Assembly for Yuchai YC6MK EU3 Engine

0445120333 Injector Assembly for Yuchai YC6MK EU3 Engine Featured Image
  • 0445120333 Injector Assembly for Yuchai YC6MK EU3 Engine

Short Description:

0445120329 common-rail fuel injector assembly is high-precision replacement part for Dongfeng Cummins ISDe4 diesel engine, Widely fitted on Dongfeng medium-duty trucks and buses. Optimized for frequent start-stop, medium-heavy load cycles and unstable fuel quality.

Product Detail

Product Tags

description

As the core fuel injection component of Yuchai YC6MK EU3 diesel power, 0445120333 withstands continuous high-pressure diesel scouring, frequent load changes and strong mechanical vibration during long-distance highway transportation. Ordinary injectors easily suffer nozzle clogging and valve group degradation under heavy-duty cycles, resulting in uneven atomization, incomplete combustion and obvious power drop under heavy load. This injector is specially calibrated to match YC6MK engine performance characteristics for Euro 3 emission standard, adopting high-strength alloy steel and reinforced control valve assembly. Precisely machined nozzle generates fine fuel mist to boost combustion efficiency. Optimized internal oil circuit stabilizes injection timing and fuel delivery volume, reducing back-leakage risk for long-hour operation. Reinforced integrated construction 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: 0445120333
Applicable Engine: Yuchai YC6MK EU3 Diesel Engine
Applicable Equipment: Heavy-duty trucks, large passenger buses
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
Installation Method: Original‑position direct replacement
Core Function: Boost heavy-load power, stabilize idle speed, improve fuel atomization, reduce exhaust smoke and restrain abnormal fuel consumption

advantage

・OEM Consistent Mounting Dimension: Manufactured according to original installation benchmark, mounting holes and outer contour fully match OEM spare parts, supporting direct swap without secondary machining or manual adjustment.
・EU3 Emission Calibration: Tuned for Yuchai YC6MK engine, maintains stable injection effect under heavy climbing and inferior fuel quality, meets Euro 3 emission requirements.
・Whole-Unit Replacement Reduces Equipment Downtime: Complete assembly replacement simplifies on-site repair steps, shortens vehicle 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 for long-haul heavy vehicles.

FAQ 

Q1: What faulty symptoms can this 0445120333 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, exhaust smoke, slow throttle response and abnormal fuel consumption rise.

Q2: What engines and vehicles is 0445120333 suitable for?

A: It is specially adapted for Yuchai YC6MK EU3 diesel engines, widely fitted on heavy-duty trucks and large coaches.

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 for heavy trucks and coaches?

A: Use qualified diesel fuel and replace fuel filter on schedule; avoid long-time continuous full-load climbing; 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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