Caterpillar original Caterpillar 173-4061 fuel injector assembly for 3412 3408 3412E D10R D9R 657E 631E 637E 651E tractor new injector original new injector

The Caterpillar 173-4061 fuel injector is engineered as a direct OEM replacement component for the CAT 3412 diesel engine series, including 3412B and 3412C configurations. Manufactured to OEM-level standards, this injector assembly delivers precise fuel atomization and consistent injection pressure, supporting optimized combustion efficiency across heavy-duty industrial, marine, and power generation applications. It is fully interchangeable with cross reference numbers 0R8477, 10R0955, and 20R2055, providing a reliable replacement solution without requiring system modifications.

Built with industrial-grade materials, the 173-4061 injector offers excellent wear resistance, superior thermal stability, and long service life under continuous high-load operation. The component ensures accurate fuel metering, which contributes to improved fuel economy, reduced exhaust emissions, and enhanced overall engine performance. Its robust construction makes it well suited for demanding environments such as offshore platforms, mining haul trucks, oilfield pumping stations, and prime power generator sets where operational reliability is critical.

The injector is designed for direct OEM fitment, ensuring straightforward installation and full compatibility with existing fuel system architecture. Routine maintenance practices—including the use of clean diesel fuel, regular filter replacement, and periodic injector inspection—will help maximize component longevity. Whether deployed in commercial marine vessels, standby generator systems, or heavy construction machinery, the Caterpillar 173-4061 fuel injector provides dependable fuel delivery performance trusted by industrial operators worldwide.