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c-ummins Fuel Injector 4964170 is a genuine OEM-grade high-pressure common-rail diesel injector specifically engineered for c-ummins QSK19 Tier 3 diesel engines (19L, 386.0-515.0 kW, 09/2006–present), and it also features versatile compatibility with c-ummins QSK38, QSK50, and QSK60 diesel engines[3][6][7]. As a critical core component of the engine’s fuel injection system, it is manufactured in c-ummins OEM factories to meet or exceed genuine c-ummins standards, integrating premium alloy materials and precision machining to deliver exceptional reliability, precise fuel metering, and superior atomization[1][2][8]. This injector is uniquely optimized for the harsh operating conditions of heavy-duty industries, including mining, oilfield services, industrial power generation, and large-scale construction machinery, ensuring stable performance under high pressure, high temperature, continuous heavy loads, high vibration, and high dust environments[4][7][9]. Constructed from high-speed alloy and precision-machined to strict OEM tolerances, it boasts excellent wear resistance, corrosion resistance, and durability, perfectly aligning with c-ummins’ global reputation for reliability[8]. Its advanced electromagnetic solenoid enables millisecond response to ECU commands, ensuring accurate control of injection timing and fuel volume, which significantly enhances combustion efficiency, reduces exhaust emissions to meet Euro 4-6 standards, and lowers fuel consumption[5][7]. Each unit undergoes rigorous end-of-line testing, including ultrasonic cleaning, flow rate calibration, spray pattern verific-ation, and high-pressure leak testing, with traceable test data and available test reports, guaranteeing zero defects and perfect fitment[1][2]. With direct bolt-on installation requiring no modific-ations, it minimizes maintenance downtime and labor costs, serving as a cost-effective and reliable replacement part for QSK19-powered equipment[2][7]. Backed by a 6-12 month manufacturer warranty and 24/7 professional technical support, it ensures worry-free operation, and it supports customized logo and packaging services to meet diverse customer needs[1][8].

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