original Diesel Fuel Injector Nozzle 10R-1256 for C10 C12 Engine Construction Machinery Parts Nozzle Injection Assembly Replacement for OEM 223-5327 229-5918 original new injector

Engineered as a direct OEM-equivalent replacement for high-demand diesel powertrains, the 10R-1256 Fuel Injector is a precision-built Electronic Unit Injector (EUI) developed specifically for the C10 diesel engine platform. This injector cross-references authorized OE number 0R-9348, delivering seamless compatibility across C10 industrial, truck, generator set, and marine propulsion configurations. Manufactured to OEM equivalent standards, each unit is factory-calibrated to ensure consistent performance in severe operating environments encountered by construction, mining, and heavy transport fleets.

The 10R-1256 incorporates precision fuel metering technology and high-pressure diesel injection capability to optimize spray atomization and combustion quality. Corrosion-resistant internal components and a heavy-duty industrial design support extended service intervals under continuous-duty conditions. Operational benefits include superior fuel atomization, reduced smoke emissions, enhanced horsepower output, lower specific fuel consumption, and extended engine service life. The injector is suitable for excavators, wheel loaders, haul trucks, drilling equipment, diesel generator sets, tugboats, offshore support vessels, compressor drives, and pump drives, and is backed by a 12-month warranty.

Recommended installation practices include cleaning the injector bore, replacing all sealing components, verifying fuel system cleanliness, performing an ECM diagnostic scan, and conducting an injector cut-out test post-installation. Diagnostic support covers injector resistance testing, cylinder cut-out testing, fuel pressure verification, ECM fault code analysis, return fuel flow testing, and visual leak inspection to safeguard fleet uptime.