0445120244 Injector Assembly for Weichai WP4 / Deutz 226B Diesel Engine

0445120244 Injector Assembly for Weichai WP4 / Deutz 226B Diesel Engine Featured Image
  • 0445120244 Injector Assembly for Weichai WP4 / Deutz 226B Diesel Engine

Short Description:

0445120244 common‑rail fuel injector assembly is high‑precision fuel injection spare part specially matched for Weichai WP4 and Deutz 226B diesel engine.

Product Detail

Product Tags

description

As the core fuel‑injection executive component of Weichai WP4 / Deutz 226B diesel power, 0445120244 withstands cyclic high‑pressure diesel scouring, frequent load‑switching shock and continuous mechanical vibration generated in construction‑site operation, farm field work and stationary generator running scenarios. Ordinary injectors easily suffer spray‑hole carbon deposition and inner‑valve‑group fatigue under dusty surroundings and fluctuating fuel quality, bringing poor fuel atomization, incomplete combustion and obvious torque drop‑off under heavy‑load working mode. Specially calibrated for real‑world light‑medium duty comprehensive working features of Weichai‑Deutz power, 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 boost 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 continuous operation. Reinforced integrated structural design resists repeated mechanical impact caused by frequent start‑stop switching. Each finished injector passes complete bench tests covering fuel flow deviation, spray pattern inspection and durability simulation, capable of direct substitution for aged and malfunctioning original injectors.

product parameters

Model Number: 0445120244
Product Type: Complete common‑rail diesel fuel injector assembly
Applicable Engine: Weichai WP4, Deutz 226B Diesel Engine
Applicable Equipment: Light‑medium duty trucks, construction machinery, generator sets, agricultural machinery
Rated Working Pressure: 1600‑1800 bar
Working Temperature: ‑40℃ ~ +120℃
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: Construction‑site variable‑load operation, farm‑site working, generator continuous running, frequent start‑stop all‑weather operation
Core Function: Restore low‑speed & heavy‑load torque output, stabilize idle operating condition, improve fuel atomization uniformity, reduce black‑smoke emission and restrain abnormal fuel‑consumption growth

advantage

Light‑Medium‑Duty Equipment‑Oriented Calibration: Tuned for WP4‑Deutz226B multi‑application characteristics, adapts to engineering, agricultural and generator mixed‑condition environment, maintains stable injection performance amid frequent start‑stop and load fluctuation.
Whole‑Unit Replacement Reduces Equipment Downtime: Complete‑assembly swap simplifies on‑site repair workflow, shortens machine‑vehicle idle period and cuts comprehensive operating expenditure for fleet customers.
Matched Sealing Repair Kit Attached: Brand‑new supporting sealing accessories are supplied together, satisfying daily maintenance and major engine overhaul requirements with no extra‑part purchasing workload.
Batch‑Wise Multi‑Item Bench Validation: Each production batch completes flow deviation test, spray morphology check and durability simulation verification, ensuring stable product consistency between batches.
Upgraded Anti‑Fatigue Valve‑Group Structure: Reinforced valve assembly mitigates cyclic impact damage caused by frequent start‑stop, fuel impurity erosion and temperature alternation, slows inner‑component ageing and extends injector service lifespan under diversified light‑medium‑duty cycles.

FAQ

Q1: What faulty symptoms can this 0445120244 injector solve?

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

Q2: Which engine models is 0445120244 suitable for?

A: It is specially adapted for Weichai WP4 and Deutz 226B diesel engines, widely used for light‑medium duty trucks, construction machinery, generator sets and agricultural machinery.

Q3: What are the key installation precautions?

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

Q4: 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 operation whenever possible; reduce frequent abrupt load shifts to relieve 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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