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The 4964172 fuel injector is a premium genuine c-ummins OEM common-rail component specifically engineered for c-ummins QSK19 diesel engines, covering multiple variants including CM850, CM2150 MCRS, CM2350, and Tier 3 (19L, 6-cylinder) models, which are widely utilized in heavy-duty industrial, marine, oil & gas, and construction fields. As a vital core of the engine fuel injection system, this injector integrates advanced precision engineering and high-durability craftsmanship to deliver outstanding performance: its ultra-precise fuel metering and superior atomization technology ensure complete combustion, effectively boosting engine power output, optimizing fuel efficiency, and reducing harmful exhaust emissions to meet strict environmental standards[1][2]. Crafted from high-grade alloy materials with advanced precision machining processes, it possesses excellent high-pressure resistance (up to 2200 bar), strong corrosion resistance, and wear resistance, enabling stable and reliable operation in extreme working environments such as high temperature, high pressure, and dusty conditions[4]. Designed as a direct OEM bolt-on replacement, it ensures perfect compatibility with c-ummins QSK19 engines without any modific-ations, facilitating quick and convenient installation and reducing equipment downtime[2]. Each unit undergoes 100% strict factory end-of-line testing, including leak detection, pressure calibration, flow rate verific-ation, and spray pattern inspection, to guarantee it meets or exceeds c-ummins OEM performance specific-ations, making it a trusted choice for maintaining the peak efficiency, reliability, and longevity of QSK19 engines[1][5].

Table 1: Basic Product Identific-ation

Table 2: Key Specific-ations

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