original 250-1309 Common Rail Injector 249-0708 249-0713 253-0608 for C11 C13 345C 349D Excavator new injector original new injector

The 250-1309 fuel injector is engineered specifically for the C13 engine family, including the standard C13, C13 ACERT, and the dedicated C13 industrial, generator, and marine variants. All these engines share the 12.5L inline 6 configuration, which allows a single injector part to serve multiple -powered equipment platforms without modification. This dedicated engine fitment ensures proper fuel delivery calibration matched to the C13 combustion chamber geometry.

Manufactured to original tolerances, the 250-1309 injector delivers precision fuel metering for improved combustion efficiency, multi-hole nozzle technology for enhanced fuel atomization, and hardened internal components designed for extended service life under high-temperature industrial conditions. Corrosion-resistant materials further support durability in harsh operating environments. The injector cross-references with 10R-0957 and 387-9433, providing verified interchangeability for fleet maintenance, engine rebuilds, and replacement part sourcing across authorized service operations.

This C13-series injector is widely applied in excavators such as the 336D, 340D, and 345D, wheel loaders including the 966H and 972H, 730 and 740 articulated trucks, industrial generator sets, and marine propulsion systems. For optimal performance, operators should follow -approved maintenance procedures, use OEM-quality fuel filters, maintain clean diesel supply, and conduct periodic fuel pressure and injector balance testing. Electronic diagnostic scanning and ECM communication verification are recommended to confirm proper injector function within the C13 fuel system.