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The c-aterpillar 342-5487 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 3425487, 342-5487, 20R-5075, 456-3493, 456-3509, 20R5075, 4563493, and 4563509. As a critical core component of the C9.3 engine’s fuel delivery system, it strictly adheres to c-aterpillar’s original design standards and performance parameters, perfectly adapted to the C9.3 engine’s 9.3L displacement and 270–390 horsepower output, and also compatible with various C9.3-powered heavy-duty equipment, ensuring seamless fit and optimal operating performance. Equipped with a precision-machined 6-hole VCO nozzle (0.0161 inch hole size) and a 164° spray pattern, this injector achieves ultra-high fuel metering accuracy (error ≤±1.4%), precise injection timing, and excellent atomization effect—its atomization particle size is as fine as 13.5 microns, forming a 99.5% suspended oil film to realize the ideal air-fuel mixture ratio, which guarantees efficient, stable and clean combustion. With a rated working pressure of 2350–2750 bar, it can reduce fuel consumption by 4.2–5.8% compared with traditional injectors, and significantly reduce harmful emissions (CO reduced by 37%, HC reduced by 54%), fully complying with EU Stage V, EPA Tier 4 Final and global strict environmental protection standards. Manufactured in strict accordance with c-aterpillar OEM standards, ISO 9001:2015 and CE certific-ation requirements, each 342-5487 injector undergoes 100% professional factory bench testing, including electrical performance, high-pressure sealing, spray pattern, leakage and durability tests, ensuring stable and reliable performance even in harsh working environments such as high temperature, high dust and long-term continuous operation. It adopts a high-strength wear-resistant plunger and corrosion-resistant stainless steel body, with vacuum quenching heat treatment (hardness HRC68-71), which greatly improves wear resistance and corrosion resistance, and its service life is perfectly matched with the C9.3 engine’s overhaul cycle, suitable for construction sites, mining areas, industrial workshops and other harsh operating scenarios. As a direct OEM replacement part, it supports plug-and-play installation without any modific-ation to the engine or fuel system, effectively solving common engine faults such as misfire, power loss, excessive fuel consumption and abnormal emissions caused by injector wear, aging or failure. Available as a new aftermarket part, it provides a 6-month to 12-month quality warranty (optional), flexible MOQ (1 piece for sample order, 5 pieces for bulk order), neutral or original c-aterpillar export packaging (customizable according to customer needs), and fast global logistics delivery (3-7 working days via DHL, FedEx or TNT). The 342-5487 injector is a cost-effective and reliable choice for maintaining the peak performance of c-aterpillar C9.3 series engines, and is widely supplied to global aftermarket markets such as North America, Europe and Southeast Asia. Its optimized electromagnetic solenoid design ensures ultra-fast response (≤16.2ms), enabling multiple injections to further optimize the combustion process, reduce engine noise and lower emissions, while its stable performance minimizes equipment downtime, with a monthly supply capacity of 310 pieces to meet bulk order needs.

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