Caterpillar original 161-1708 Fuel Injector Assembly Replacement for C12 C10 Engine 345B 345C Excavator Loader Truck original new injector

The Caterpillar 161-1708 Fuel Injector Assembly is an OEM-quality electronic unit injector engineered specifically for Caterpillar C12 diesel engines. Manufactured to original equipment specifications, this injector delivers precision-calibrated fuel metering through high-pressure diesel injection, ensuring excellent spray atomization and stable combustion across demanding industrial duty cycles. Its corrosion-resistant construction and OEM-grade tolerances provide long operating lifespan and consistent performance under extreme workloads.

Designed for reliable operation in construction, mining, marine, transportation, power generation, and industrial manufacturing applications, the 161-1708 injector is compatible with Caterpillar excavators, wheel loaders, mining trucks, marine engines, generator sets, and heavy-duty trucks. It serves as a direct replacement for part numbers 1611708, 0R-8479, 0R8479, CAT1611708, and CAT0R8479, fitting Caterpillar C12 ATAAC, industrial power unit, marine propulsion, generator set, and heavy truck engine configurations. Proper maintenance—including the use of high-quality diesel fuel, regular fuel filter replacement, and ECM diagnostic monitoring—helps preserve injector performance and extend service intervals.

By restoring accurate fuel delivery and improving injection timing, the Caterpillar C12 injector 161-1708 enhances combustion efficiency, reduces fuel consumption, lowers emissions, increases engine power output, and improves cold-start performance. Common injector-related symptoms such as difficult starting, reduced engine power, excessive fuel consumption, black or white exhaust smoke, rough idle, cylinder misfire, and abnormal combustion noise can be addressed through replacement of this component, ultimately extending the operational life of the Caterpillar C12 engine.