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The 2897414 fuel injector is a high-precision electronically controlled common rail component specifically engineered for c-ummins QSL series diesel engines, with full compatibility with ISC8.3 and ISL9.5 engines—core models in c-ummins’ medium-duty diesel engine lineup. It features seamless interchangeability with OEM cross reference numbers 2897414, 4327072, 4384165, fully adhering to c-ummins’ strict quality standards and technical specific-ations for high-pressure common rail systems. As a direct OEM replacement part, it perfectly matches the QSL series’ displacement range and power output, integrating smoothly with the engine’s high-pressure common rail fuel system and optimal structural layout. This injector is a key component for medium-duty engine performance, widely applied in various working scenarios such as commercial vehicles, heavy-duty construction machinery, industrial equipment, and light-duty mining machinery, which are typical applic-ation fields of QSL, ISC8.3 and ISL9.5 engines. Functioning as a high-precision electronically controlled solenoid valve, it operates as a normally closed valve—remaining closed without control signals and opening when the ECU sends an injection command, ensuring precise fuel delivery. Capable of withstanding the fuel system’s high-pressure requirement of up to 1600-1800 bar, it ensures stable and efficient fuel delivery even under long-term full-load operation in harsh environments with dust, high humidity, or extreme temperature fluctuations. It responds accurately to signals from the engine’s ECU (Electronic Control Unit) with an ultra-fast response time of <0.1ms, ensuring precise fuel metering (with an error of no more than ±2%) and optimal combustion efficiency, which is critical for meeting strict emission standards. It boasts high-pressure fuel delivery up to 1800 bar, combined with ultra-fine atomization via precision-machined 0.12mm spray holes and a 2μm plunger clearance—equivalent to 1/50 of a human hair—cooperating with the engine’s cylinder design to ensure uniform fuel-air mixing. This not only reduces exhaust emissions to meet relevant environmental standards but also improves fuel economy and reduces engine noise and vibration. Equipped with advanced multi-stage injection technology (pre-injection, main injection, post-injection), it optimizes the combustion process, enhances idle stability, and significantly extends the engine’s service life. Its enhanced anti-wear and corrosion-resistant design, featuring a precision-ground anti-wear alloy plunger and hardened stainless steel nozzle tip, effectively resists abrasion, corrosion from harsh fuels, and high-pressure impact. Constructed with premium heavy-duty materials through strict screening, including high-strength gray cast iron for the body, high-temperature resistant copper solenoid coil, and high-seal O-rings for effective oil-fuel separation and leakage prevention, this injector boasts excellent adaptability to extreme temperatures (-40°C to 180°C) and harsh working conditions, adhering to c-ummins’ strict production standards for reliable performance and longer service life. Every unit undergoes rigorous factory testing, including pressure calibration, flow measurement, spray pattern validation, and leakage checks, and has obtained relevant certific-ations such as RoHS, ensuring reliable performance and consistent quality. With a comprehensive set of OEM cross reference numbers, it offers ready-to-ship inventory, customizable neutral or brand packaging options, a 6-month warranty, and reliable after-sales support, with fast and reliable delivery via DHL, FedEx, TNT or UPS, making it the ideal choice for maintaining the performance, efficiency, and longevity of c-ummins QSL series engines in various demanding commercial, industrial, and construction scenarios.

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