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The c-aterpillar 328-2574 fuel injector is a premium OEM-compatible component specifically developed for c-aterpillar C9 series diesel engines, with cross-reference part numbers 3282574, CA3282574 and 10R-7222. As a vital core component of the C9 engine’s fuel injection system, it adopts the advanced HEUI (Hydraulically Actuated Electronically Controlled Unit Injection) technology—a hallmark design of c-aterpillar C9 fuel delivery systems that combines hydraulic drive and electronic control to achieve precise fuel metering and timing adjustment, perfectly matching the C9 engine’s 8.8-liter displacement and 250-450 horsepower output characteristics. Manufactured in strict accordance with c-aterpillar’s original design standards, ISO 9001 certific-ation requirements, and rigorous quality control processes, this injector serves as a dependable direct replacement for the original C9 engine fuel injection unit, ensuring seamless plug-and-play integration without any modific-ations to the engine or fuel system. As a new aftermarket part sourced from professional manufacturers specializing in diesel fuel injection system components, it is engineered to endure the harsh operating conditions of construction sites, mining operations, industrial generator sets, and other heavy-duty scenarios where C9-powered equipment is extensively used. Equipped with precision-machined 8-hole nozzles for superior fuel atomization (with droplet size as fine as 9 microns), a high-strength heat-treated alloy steel body, and a corrosion-resistant coating, it delivers stable 24V operation, accurate fuel atomization, and consistent injection performance—critical for optimizing engine combustion efficiency, enhancing power output, and reducing harmful emissions to meet EU Stage V equivalent emission standards. Every unit undergoes 100% factory bench testing, including electrical performance, pressure resistance (adapting to the C9 engine’s 2400bar injection pressure), spray pattern (meeting ISO 4010 standards for spray cone angle deviation within ±2°), and sealing detection, as well as strict quality inspections to ensure long-term reliability. It effectively solves common engine issues such as misfires, power loss, and excessive fuel consumption caused by poor atomization or injector failure, and boasts excellent wear and corrosion resistance for an extended service life under heavy-duty working conditions. With in-stock availability (up to 450 units in stock), flexible MOQ (1 piece for small orders, batch discounts available), 12-month quality warranty, fast global delivery (3-7 working days, 5 days delivery from Shiyan, Hubei), and neutral packaging suitable for cross-border export, the 328-2574 injector is widely applicable to various C9-powered heavy equipment, fully satisfying the needs of global aftermarket and export customers. It is perfectly matched with C9 engine-powered excavators, loaders, industrial generators, and other construction machinery, providing stable and efficient performance support for equipment operation.

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