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The Y431K05420 fuel injector is a premium OEM-compliant high-pressure common-rail fuel injector, specifically engineered for c-ummins QSK19 19L diesel engines, with extended compatibility to c-ummins K19, KTA19, QSK19 CM2150, QSK19 CM2350 and other related series diesel engines[3][5]. As a critical core component of the diesel fuel injection system, it is manufactured in strict accordance with ISO 9001, CE and CCC quality standards, as well as c-ummins OEM specific-ations, using high-quality steel materials combined with precision machining technology to withstand ultra-high pressure up to 2000 MPa, ensuring excellent corrosion resistance, wear resistance and long-term stable operation even in harsh working environments such as mining, construction, marine and machinery repair[1][3][5]. This injector delivers precise fuel metering and efficient atomization, which effectively optimizes engine combustion efficiency, enhances power output, reduces fuel consumption and exhaust emissions, and ensures the stable operation of compatible c-ummins engines in heavy-duty and continuous working conditions[1][5]. With standard OEM dimensions and a direct replacement design, it requires no additional modific-ations during installation, simplifying maintenance processes, shortening equipment downtime and reducing overall maintenance costs[5]. Featuring large inventory, fast global shipping, competitive pricing and a long-term warranty, the Y431K05420 fuel injector is a reliable and cost-effective replacement part for c-ummins engines, providing stable and efficient fuel injection support for various heavy-duty equipment worldwide[2][5].

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Table 2: Key Specific-ations

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