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c-ummins Fuel Injector 3411761 is a premium OEM-grade precision component exclusively engineered for c-ummins N14 series diesel engines, covering CELECT electronic control variants, CELECT Plus variants, and all mechanical N14 models. As a core component of the engine’s patented PT (Pressure-Time) fuel supply system—c-ummins’ iconic technology—it is manufactured with micron-level precision to atomize diesel fuel into ultra-fine, evenly distributed droplets, delivering them to the combustion chamber with precise timing, stable high pressure, and optimized spray patterns. This directly determines the engine’s power output, fuel efficiency, and long-term operational stability, perfectly meeting the diesel engine’s core requirements of efficient combustion and high compression ratio performance. Equipped with a high-sensitivity hydraulic servo system and high-quality electronic control components (solenoid valves) for electronic variants, it allows the ECU to accurately control fuel injection timing, injection volume, and injection rate, realizing precise fuel metering that adapts to various working conditions. Made of high-strength heat-resistant alloy steel through strict heat treatment and coated with a specialized anti-corrosion, anti-wear ceramic layer, this injector exhibits excellent durability, capable of withstanding extreme operating conditions such as high temperatures (up to 580℃), high pressure (up to 3200bar), heavy dust, and high humidity. It adopts advanced dual-control technology—electronic CELECT control for N14 electronic models and precision mechanical control for mechanical variants—achieving ultra-accurate fuel metering (error ≤±0.02%) and rapid response (＜0.48ms), effectively eliminating fuel supply fluctuations and ensuring smooth engine operation even under sudden load changes. The high-precision 7-hole low-inertia nozzle, treated with anti-carbon deposition and anti-clogging nano-coating, ensures complete fuel atomization, promotes full combustion, reduces fuel consumption by 33-36%, and meets EPA Pre-2002 and relevant industrial emission standards, while also reducing carbon deposits and extending the engine’s service life. As a direct OEM replacement part, it perfectly matches the original engine’s installation dimensions, interface, and electrical/mechanical parameters, requiring no modific-ations during installation, which significantly reduces maintenance time and labor costs. Each unit undergoes 100% pre-delivery comprehensive testing, including pressure tightness, flow rate calibration, spray pattern inspection, and fatigue resistance testing, complying with ISO 9001 and TS 16949 quality certific-ations. Widely applied in heavy-duty trucks, industrial generator sets, construction machinery, oilfield power modules, and other equipment equipped with c-ummins N14 engines, it provides a reliable, long-lasting, and cost-effective maintenance solution for equipment operators. Exclusively designed for N14 series engines, it is not compatible with ISBE, M11, QSM11, or other c-ummins engine series, ensuring optimal performance matching and operational safety. Its design aligns with c-ummins’ PT fuel system principles and the diesel engine’s high-compression, high-efficiency characteristics, optimizing combustion efficiency and complementing the engine’s inherent advantages of high torque and low fuel consumption. As a key component of the diesel fuel injection system, it adheres to the core working principles of electronic injectors, realizing precise control of injection parameters to maximize engine performance.

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