0445120212 Injector Assembly for Cummins ISBe Diesel Engine

0445120212 Injector Assembly for Cummins ISBe Diesel Engine Featured Image
  • 0445120212 Injector Assembly for Cummins ISBe Diesel Engine

Short Description:

0445120200 common rail fuel injector assembly is a high‑precision OE‑grade replacement component specially developed for Weichai WD10 diesel engine.

Product Detail

Product Tags

description

As the core fuel-injection executive unit of Cummins ISBe diesel engine, 0445120212 bears continuous high-pressure diesel flushing and cyclic mechanical vibration under long-time medium-heavy-duty running. Conventional injectors will gradually degrade after long service hours under complex road and operation conditions, resulting in nozzle clogging, injection timing deviation and incomplete cylinder combustion. This upgraded injector adopts high-strength wear-resistant alloy steel housing and reinforced anti-fatigue valve group assembly, matched with high-precision nozzle core. Its ultra-precision machined nozzle generates evenly distributed fine fuel mist and greatly improves in-cylinder combustion efficiency. Optimized internal pressure balance structure stabilizes fuel pressure during frequent load switching and long-term full-load operation, reducing power attenuation and unnecessary fuel waste. Every finished injector undergoes flow calibration, atomization inspection, high-pressure cycle test and dynamic-performance bench test, to guarantee stable and consistent working performance for Cummins ISBe power unit.

product parameters

Model Number: 0445120212, genuine Bosch common-rail injector part number, fully compatible with original Cummins ISBe(3.9L/5.9L) engine system parameters for accurate equipment matching.
Product Type: Complete common-rail diesel fuel injector assembly, integrated finished unit equipped with nozzle and control valve group, no extra assembling required for direct on-vehicle installation.
Applicable Engine: Cummins ISBe 3.9 / ISBe 5.9 diesel engine, pre-calibrated to match original engine fuel supply curve and ECU control parameters.
Applicable Equipment: Medium-heavy-duty trucks, passenger buses and commercial vehicles powered by Cummins ISBe, suitable for urban and intercity freight, short-and-medium-haul transportation and diversified commercial operation scenarios.
Manufacturing Material: High-strength wear-resistant alloy steel housing combined with high-temperature anti-aging sealing components, effectively resisting diesel medium corrosion, high-temperature oxidation and repeated mechanical vibration impact.
Supporting Accessories: Complete OEM-matched sealing repair kit, containing brand-new sealing gaskets and pressure rings, meeting full-set component replacement and one-time maintenance service demands.
Installation Method: Original-position plug-and-play direct replacement, 100% identical to OE installation dimension, no cutting or modification needed for convenient and efficient on-site maintenance work.
Core Function: Restore rated engine power output, stabilize idle running condition, enhance cold-start capability, eliminate exhaust black-smoke phenomenon, optimize throttle response sensitivity and effectively cut down overall fuel consumption level.

advantage

Professionally calibrated for Cummins ISBe medium-heavy-duty commercial-vehicle practical conditions. Specially optimized for frequent load-change and mixed-route driving mode. It maintains accurate fuel injection and stable combustion state during long-period continuous operation, effectively improving insufficient power and engine vibration problems.
Reinforced wear-resistant and anti-fatigue overall structure. Upgraded alloy steel shell and enhanced valve-core assembly resist erosion from diesel impurities and high-temperature ageing, reduce frequent failures including nozzle blockage and valve sticking, greatly extending service life under harsh working conditions.
Micron-level precise atomization boosts combustion efficiency. Ultra-fine precision nozzle produces uniform fine fuel mist, facilitating sufficient mixing and combustion between diesel and cylinder air, significantly lifting engine power and torque value, cutting fuel waste caused by incomplete combustion and suppressing black-smoke exhaust.
Superior OE interchangeability helps lower maintenance costs. Strictly manufactured in accordance with OE factory standards with excellent interchangeability, plug-and-play installation together with supporting sealing accessories, saving repair labor hours and spare-part procurement expenses.
Multi-dimensional strict bench inspection ensures consistent quality. Each-batch products pass flow testing, atomization inspection, high-pressure cycle test and high-temperature durability test to ensure stable performance and reliable long-term operation.

FAQ

What faults can 0445120212 fuel injector solve?

It effectively fixes various typical faults triggered by injector ageing, carbon accumulation and internal wear, including difficult engine startup, unstable idle speed, weak power under medium-heavy-load status, black-smoke exhaust in acceleration process, insensitive throttle response and abnormal fuel-consumption increase, completely restoring the original working performance of Cummins ISBe diesel engines.

Which engines and equipment is this injector suitable for?

This 0445120212 common rail injector is specially adapted for Cummins ISBe 3.9 / ISBe5.9 diesel engines, widely applied on matching medium-heavy-duty trucks and passenger coaches, acting as core replacement spare parts for daily vehicle maintenance and engine overhaul work.

Is ECU coding required after installation?

Most conventional Cummins ISBe engine models support direct plug-and-play replacement without ECU coding or program calibration. Individual original-calibration versions need simple correction-code input to realize optimal power-output and fuel-saving performance.

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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