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The C-ummins injector 5491659 is a high-performance XPI (eXact Precision Injection) fuel injector designed for ISC, ISL, and QSL9.3 engine platforms meeting Stage 3B emission standards. This injector is interchangeable with part number 4359204RX and operates within the DCI 200/700 common rail fuel system . Utilizing C-ummins advanced XPI technology, it delivers ultra-high injection pressures for superior fuel atomization, resulting in optimized combustion efficiency, reduced emissions, and enhanced power output. The injector is engineered for precise electronic control, enabling real-time adjustments based on engine operating conditions for consistent performance across demanding applications.

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