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The c-aterpillar 20R-0849 fuel injector is a premium genuine OEM replacement component, precision-engineered and calibrated specifically for the c-at 3512B series 12-cylinder V-type diesel engine—a heavy-duty, high-torque powerplant widely used in stationary power generation, marine propulsion, industrial machinery, oilfield operations, and large-scale infrastructure support applic-ations. Built to c-aterpillar’s strict original engineering standards and rigorous quality control benchmarks, this injector utilizes advanced MEUI (Mechanically Actuated Electronically Controlled Unit Injector) technology to deliver unparalleled fuel metering accuracy, refined atomization, and consistent injection timing. Featuring a rugged, reinforced construction with wear-resistant components, it withstands prolonged high-pressure cycling, diesel fuel corrosion, abrasive contaminants, and extreme thermal fluctuations, ensuring reliable performance and extended service life. Installing the authentic 20R-0849 injector restores factory-rated engine power, optimizes fuel combustion efficiency, reduces harmful exhaust emissions, and minimizes costly equipment downtime, making it a critical spare part for routine maintenance, engine overhauls, and fault resolution of c-at 3512B power systems.

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