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The c-aterpillar C10 Series Fuel Injector 350-7555 is a high-performance EUI (Electronically Controlled Unit Injector) specifically engineered to meet the strict OEM specific-ations of c-aterpillar C10 diesel engines, focusing on ultra-precise fuel delivery, enhanced high-temperature durability, superior anti-clogging performance and stable operation in harsh heavy-duty environments with high dust, high humidity, frequent load changes and extreme temperature variations. As a critical component of the engine fuel supply system, it executes the final fuel injection "switch" function, receiving pulse signals from the ECU to control fuel injection timing, quantity and duration precisely, effectively eliminating throttle lag and ensuring linear power output, which is essential for the stable operation of turbocharged C10 engines in complex working conditions. Crafted from high-strength heat-treated nickel-based alloy steel (Nimonic 75) with ultra-precise CNC machining and supersonic flame spraying surface treatment technology, this injector ensures exceptional structural rigidity, high-temperature resistance and wear resistance—its supersonic flame sprayed tungsten carbide coating forms a smooth, dense protective layer with HRC61-63 hardness, featuring strong adhesion, excellent high-temperature resistance and no peeling issue, effectively preventing surface wear, corrosion and impurity accumulation, extending service life significantly, and allowing for remanufacturing to save maintenance costs. It maintains consistent fuel delivery performance in harsh operating environments such as construction machinery, long-haul trucks, industrial power generation equipment and mining vehicles. Equipped with a 7-hole precision-drilled nozzle (minimum orifice size 120um) with 700bar ultra-high pressure atomization capability, the nozzle adopts an anti-clogging ball valve structure that boasts automatic centering performance and high sealing performance, allowing smooth reciproc-ation to avoid blockage caused by dust and impurities, achieving ultra-fine fuel atomization (fuel particle diameter reaching one-thousandth of a millimeter level) and accurate fuel metering—this superior atomization quality maximizes fuel-air mixing, improving combustion efficiency by up to 32%, reducing fuel consumption and harmful emissions (NOx and PM), while enhancing engine power output and operational stability even under long-term high-load, low-temperature and dusty working conditions, meeting higher emission standards similar to Euro Ⅳ requirements and reducing reliance on high-cost exhaust after-treatment systems. It features factory-installed high-durability J-type metal wound gaskets (flexible graphite tape wrapped with 316L stainless steel, Class 5 series) and precision-machined electromagnetic valve components with optimized spring force adjustment (electromagnetic force increased by 30% compared to conventional injectors) to ensure a zero-leak seal and stable valve operation even under extreme pressure fluctuations (up to 380MPa transient pressure), with the gasket meeting high-pressure sealing requirements of turbocharged engines. It undergoes 100% pre-shipment functional testing (in line with JB/T4730.3 standard), including fuel delivery, pressure and timing verific-ation, to guarantee reliable cold starts (even at -65℃ without additional heating systems) and long-term stable operation even in extreme temperature ranges (-65℃~220℃), effectively improving low-temperature emission issues. As a direct-fit replacement injector that complies with ISO 9001 and IATF 16949 standards, the 350-7555 is designed for turbocharged and intercooled C10 engines, reducing unplanned downtime, extending the service life of the engine fuel system, and providing cost-effective maintenance solutions for C10 engine operators, and it is also a compatible replacement for part number 3507555 and 166-0219.

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