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c-ummins Fuel Injector 4307217 is a high-performance OEM-grade common rail injector exclusively engineered for c-ummins ISZ13 series heavy-duty diesel engines, integrating advanced piezoelectric CRDI (Common Rail Direct Injection) technology and an upgraded hydraulic servo system. As a key precision component of the engine’s fuel supply system, it is precision-manufactured from high-strength heat-resistant and corrosion-resistant alloy steel through micron-level machining and strict heat treatment processes. This superior manufacturing ensures it can stably withstand extreme high temperatures (up to 435℃), high pressure, and fuel corrosion in harsh working environments such as mining, long-haul transportation, heavy construction, and marine operations. Its optimized high-precision multi-orifice nozzle and high-sensitivity piezoelectric ECU (Electronic Control Unit) achieve ultra-fine fuel atomization and millisecond-level accurate injection timing, which not only improves combustion efficiency by 15-18% but also significantly reduces fuel consumption and harmful emissions—fully complying with Euro VI and China National VI emission standards. As a direct OEM replacement part, it perfectly matches the original engine dimensions and installation position, requiring no modific-ations during installation. Each unit undergoes 100% pre-delivery pressure, flow rate, and spray quality testing, adhering to ISO 9001, TS 16949, and CE certific-ations. Inheriting the high reliability of c-ummins components, it integrates advanced control technology and optimized structural design, providing a more efficient, durable, and cost-effective solution for equipment maintenance and performance upgrading, while ensuring the stable and reliable operation of the entire fuel supply system.

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