0445120325 Injector Assembly for Russian JAMZ Diesel Engine

0445120325 Injector Assembly for Russian JAMZ Diesel Engine Featured Image
  • 0445120325 Injector Assembly for Russian JAMZ Diesel Engine

Short Description:

0445120323 common-rail fuel injector assembly is high-precision replacement part for FAW Xichai diesel engine. Widely installed on FAW Jiefang heavy trucks for long-distance logistics transportation.

Product Detail

Product Tags

description

As the core fuel injection component of Russian JAMZ diesel power, 0445120325 endures long-time high-pressure diesel scouring, frequent load alternation, strong mechanical vibration and low-temperature working conditions. Ordinary injectors tend to get nozzle blocked and valve assembly degraded under continuous heavy load and cold climate, which leads to poor atomization, incomplete combustion and obvious power loss under heavy load. This injector is specially calibrated to match JAMZ engine performance parameters, adopting high-strength alloy steel and reinforced control valve assembly. Precisely machined nozzle creates fine fuel mist to raise combustion efficiency. Optimized internal oil circuit stabilizes injection timing and fuel delivery, reducing back-leakage risk after prolonged running. Reinforced integrated construction resists cyclic pressure impact and vibration. Every finished injector passes bench inspection of fuel flow, spray pattern and durability test to reliably replace aged OEM injectors.

product parameters

Model Number: 0445120325
Product Type: Complete common-rail diesel fuel injector assembly
Applicable Engine: Russian JAMZ Diesel Engine
Applicable Equipment: Russian heavy-duty trucks and commercial vehicles
Rated Working Pressure: 1600‑1800 bar
Working Temperature: ‑40℃ ~ +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
Working Condition: Heavy haulage, cold climate, continuous heavy-duty operation, variable load cycles
Core Function: Boost heavy-load power, stabilize idle speed, refine fuel atomization, reduce exhaust smoke emission 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.
・Calibrated for Cold & Heavy Load Condition: Tuned for JAMZ engine, maintains stable injection performance under low temperature and poor fuel quality.
・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 and adapting to long-time heavy-duty operation.

FAQ 

Q1: What faulty symptoms can this 0445120325 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 0445120325 suitable for?

A: It is specially adapted for Russian JAMZ diesel engines, widely fitted on Russian heavy-duty trucks and commercial vehicles.

Q3: Is ECU coding required after installation?

A: Most JAMZ vehicles support plug-and-play direct replacement. Individual updated ECUs need corresponding injector code input to achieve optimal fuel supply matching.

Q4: 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.

Q5: How to extend injector service life in cold regions?

A: Use qualified low-temperature 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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