c-ummins Injector QSK15 Series (Part Number: 579261) Product Details

The c-ummins 579261 fuel injector is a high-performance HPI (High-Pressure Injection) component exclusively engineered for the c-ummins QSK15 15L heavy-duty diesel engine series, compatible with QSX15 derivative engines and widely applied in large construction machinery, mining equipment, industrial generators, and heavy-duty transport vehicles. Its core features are high-pressure resistance, precise injection control, excellent wear resistance, and compliance with EPA 17 and Tier 4 Final emission standards. Integrating c-ummins advanced XPI common rail fuel system technology and hardened alloy core components, this injector achieves ultra-high pressure fuel delivery (up to 2500 bar), realizing efficient atomization and accurate injection timing, which optimizes engine combustion efficiency, reduces fuel consumption by 6%-9%, and effectively lowers harmful emissions when paired with DPF (Diesel Particulate Filter) systems. The injector adopts a one-piece precision-machined housing that meets c-ummins strict material specifications, combined with a multi-layer sealing structure, enabling it to withstand extreme high temperatures, high pressure, dust, and strong vibration in harsh working environments, effectively preventing fuel leakage and extending service life. As a brand-new factory-calibrated finished product, it undergoes strict dimensional detection and performance testing, requiring no mechanical modification or electronic parameter adjustment during installation, ensuring quick and hassle-free replacement. Backed by a 12-month quality warranty, global fast delivery, and professional technical support, the 579261 injector is the ideal replacement part for maintaining the stable and efficient operation of QSK15-powered equipment. Based on industry supply chain data and product compatibility research, the OEM Cross-Reference Numbers for 579261 include 1764365, 1499257, 579251, 4954648, 1521978, which are fully interchangeable with the original QSK15/QSX15 fuel system, ensuring perfect compatibility and seamless replacement.

1. Core Technical Specifications (579261)

2. Compatible Equipment & Application Scenarios

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