original Common Rail Fuel Injector 224-9090 4P9076 4P9077 0R2921 0R-8338 111-3718 for 3508 3512 3516 3508C Engine Parts new original new original new injector

The 111-3718 fuel injector is specifically engineered for installation on 3512, 3512A, 3512B, 3516, 3516A, 3516B, 3508, and 3508B diesel engines, delivering a precise fit and reliable performance across demanding B2B industrial applications. As an OEM equivalent replacement component cross-referenced with part numbers 0R-8688, 10R-0955, and 20R-2055, this injector assembly is widely deployed in diesel generator sets, marine propulsion systems, offshore power units, mining trucks, industrial power stations, construction machinery, oil and gas equipment, and emergency backup generator installations serving the mining, marine, power generation, and construction industries.

Manufactured to strict OEM specification tolerances, the 111-3718 injector features a precision-engineered nozzle system with high-pressure injection capability, factory flow-tested calibration, and corrosion-resistant construction designed for long operational lifespan under harsh industrial and marine environments. The assembly delivers precise fuel metering, improved combustion efficiency, reduced fuel consumption, enhanced power output, lower smoke emissions, and improved cold-start performance, supporting dependable engine operation in continuous-duty and heavy-load service conditions.

Routine maintenance recommendations include maintaining a clean fuel supply, replacing fuel filters at scheduled intervals, performing periodic injector testing, monitoring exhaust smoke levels, and using OEM quality replacement components to ensure continued reliability. Common fault indicators such as hard starting, excessive smoke, increased fuel consumption, rough engine operation, reduced engine power, high exhaust temperature, and engine misfire typically signal the need for injector inspection or replacement on 3500 series engines.