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The c-aterpillar 173-9268 fuel injector is a premium, OEM-compatible Common Rail fuel injector specifically engineered for c-aterpillar C9.3 series diesel engines, with cross-reference part numbers 1739268, 173-9268, 169-7411, 222-5967, OR9349, 218-4109, and 173-9267. As a critical core component of the C9.3 engine’s fuel delivery system, it fully adheres to c-aterpillar’s original design standards and performance parameters, while also maintaining broad compatibility with c-aterpillar 3126B and 3126E series engines for expanded applic-ation scenarios. Optimized for the C9.3 engine’s 9.3L displacement and 270–390 horsepower output, this injector is equipped with a precision-machined 5-hole SAC nozzle (0.0145 inch hole size) with a 156° spray pattern, delivering ultra-accurate fuel metering (error ≤±1.8%), precise injection timing, and superior atomization effect—its atomization particle size can be as fine as 14 microns, forming a 98.5% suspended oil film to achieve an ideal air-fuel mixture ratio, ensuring efficient, stable, and clean combustion. With a rated working pressure of 2000–2400 bar (equivalent to 2000 MPa), it effectively reduces fuel consumption by 3–4% compared to conventional injectors and minimizes harmful emissions (CO reduced by 30%, HC reduced by 45%) to meet EU Stage V, EPA Tier 4 Final, and global environmental standards. Manufactured in strict compliance with c-aterpillar OEM standards, ISO 9001 and CE certific-ation requirements, each unit undergoes 100% professional factory bench testing, including high-pressure performance verific-ation, spray pattern detection, and strict sealing inspection, ensuring reliable performance and consistent quality even in the harshest heavy-duty working conditions. It features a high-strength carbon steel body with vacuum quenching heat treatment (hardness HRC61-64), significantly enhancing wear resistance and service life, which can perfectly match the C9.3 engine’s overhaul cycle and adapt to harsh operating environments such as construction sites, mining areas, industrial workshops, and heavy-duty voc-ational vehicles. As a direct OEM replacement part, it supports plug-and-play installation without any modific-ations to the engine or fuel system, effectively solving common engine problems such as misfires, power loss, excessive fuel consumption, and abnormal emissions caused by injector wear, aging or failure. Available as a new aftermarket part with a 6-month quality warranty, flexible MOQ (1 piece minimum, negotiable), neutral or original export packaging (customizable according to customer requirements), and fast global logistics delivery (3-10 working days), the 173-9268 injector is a cost-effective and reliable choice for maintaining the peak performance of c-aterpillar C9.3 series engines, widely supplied to global aftermarket markets including North America, Europe, and Southeast Asia, and compatible with a variety of C9.3-powered heavy equipment. Its optimized solenoid control ensures fast response (≤17ms), enabling multiple injections to further optimize combustion process, reduce noise, and lower emissions, while its stable performance ensures minimal downtime for equipment operationssuperscript:1superscript:2superscript:4.

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