c-ummins Injector QSK15 Series (Part Number: 579251) Product Details

The c-ummins 579251 fuel injector is a high-precision HPI (High-Pressure Injection) unit specifically developed for the c-ummins QSK15 15L heavy-duty diesel engine series, compatible with QSX15 derivative engines and widely used in large construction machinery, mining equipment, industrial generators, and heavy-duty transport vehicles. Its core features are superior structural durability, precise fuel metering, strong environmental adaptability, and compliance with EPA 17 and Tier 4 Final emission standards. Integrating c-ummins advanced XPI common rail fuel system technology and high-speed steel core components, this injector realizes efficient fuel atomization and accurate injection timing control, optimizing engine combustion efficiency, reducing fuel consumption by 5%-8%, and effectively reducing harmful emissions with the cooperation of DPF (Diesel Particulate Filter) systems. The injector adopts an alloy integrated housing designed in line with c-ummins strict material specifications, combined with a precision sealing structure, which can resist high temperature, high pressure, dust and strong vibration in harsh working conditions, avoiding fuel leakage and component wear. As a brand-new factory-calibrated finished product, it passes strict dimensional and material testing, requiring no mechanical modification or electronic parameter adjustment during installation, enabling quick and convenient replacement. Backed by a 12-month quality warranty, global fast delivery, and professional technical support, the 579251 injector is the preferred replacement part for maintaining the stable and efficient operation of QSK15-powered equipment. Based on industry supply chain data, the OEM Cross-Reference Numbers for 579251 include 1764364, 1499257, 4903451, 579263, 4954648, which are fully interchangeable with the original QSK15/QSX15 fuel system, ensuring perfect compatibility and seamless replacement.

1. Core Technical Specifications (579251)

2. Compatible Equipment & Application Scenarios

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