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c-ummins Fuel Injector 4307776 is a high-performance OEM-quality new aftermarket component specifically engineered for c-ummins N14 14.0L diesel engines, with extended compatibility to c-ummins KTA19, NTA855, QSN855, and N855 diesel engines[2][3]. As a critical core component of the engine’s fuel supply system, it is precision-manufactured to meet original c-ummins standards and comply with ISO 9001, TS 16949 certific-ations, ensuring exceptional reliability, fuel efficiency, and stable performance in heavy-duty industrial and automotive applic-ations. The injector features a high-efficiency electromagnetic actuator and a precision-machined 5-hole nozzle with anti-carbon coating, delivering uniform fuel atomization (4–8 microns) for complete combustion, which reduces fuel consumption and minimizes carbon deposits, thus extending the service life of both the injector and the engine. Crafted from high-strength heat-resistant alloy with a reinforced nozzle tip and high-temperature resistant seals, it boasts superior anti-corrosion, anti-wear, and high-temperature resistance, capable of withstanding extreme operating conditions including a working temperature range of -40℃ to 400℃ and a maximum injection pressure of 2600bar. With a net weight of 1.85kg, it is robust and durable, designed to endure heavy vibration, high dust, and continuous heavy-load operation—making it ideal for construction, mining, oilfield, and industrial generator applic-ations. Each unit undergoes 100% pre-delivery testing, including ultrasonic cleaning, pressure tightness, flow calibration, and spray pattern inspection, with individual testing reports provided to ensure zero defects before shipment[1]. As a direct bolt-on OEM replacement part, it requires no modific-ations during installation, significantly saving maintenance time and labor costs. It comes with a 12-month OEM standard warranty and professional technical support, supported by fast delivery and flexible packaging options, with a minimum order quantity (MOQ) of 1 piece and sample orders available[1], making it a cost-effective and reliable solution for N14-equipped and other compatible engine equipment maintenance. Notably, it is recommended to replace the injector as a whole set to ensure consistent oil output and atomization concentration, avoiding mixing genuine and aftermarket parts for the same engine[2][3].

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