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The c-aterpillar 20R-1272 fuel injector stands as a top-tier genuine OEM replacement part, meticulously engineered and factory-calibrated specifically for the c-at 3512B series 12-cylinder V-type diesel engine, a robust high-torque power core widely deployed in stationary power generation, marine propulsion, heavy industrial machinery, oilfield operations, and large-scale infrastructure support scenarios. Produced in strict accordance with c-aterpillar’s original engineering standards and rigorous quality control processes, this injector integrates advanced MEUI (Mechanically Actuated Electronically Controlled Unit Injector) technology to deliver exceptional fuel metering precision, superior atomization performance, and consistent injection timing. Featuring a heavy-duty reinforced structure and wear-resistant internal components, it withstands prolonged high-pressure fuel cycling, diesel fuel corrosion, abrasive impurities, and extreme thermal variations, guaranteeing stable operation and extended service life. Installing the authentic 20R-1272 injector efficiently restores the engine’s factory-rated power output, maximizes fuel combustion efficiency, reduces harmful exhaust emissions, and minimizes costly equipment downtime, establishing it as a critical spare component for routine maintenance, engine overhauls, and fault resolution of c-at 3512B power systems.

1. Core Basic Specific-ations Table

2. Performance & Technical Advantages Table

3. Applic-ation Scope & Compatibility Table

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