original Fuel Injector 387-9430 387-9427 328-3585 263-8218 for C7 C9 330D 336D Excavator Part  original new injector

The C7 fuel injector 387-9430 is engineered as a direct OE replacement for the 7.2L HEUI diesel platform, delivering precision fuel metering through electronically controlled hydraulic actuation. Built specifically for C7 engine applications, the injector maintains accurate injection timing and consistent spray atomization, supporting clean combustion across medium-duty truck, bus, construction, mining, and stationary power generation operations. Compatibility spans Ford F650, Ford F750, Chevrolet Kodiak, GMC TopKick, Blue Bird, and Thomas bus configurations, as well as C7 excavator and industrial diesel installations.

Each unit is produced to original reference geometry with coated plungers, ensuring stable operation on low-sulfur and low-lubricity fuels commonly encountered in modern emission-compliant diesel systems. Manufacturing validation includes flow testing, leak testing, and nozzle atomization inspection to confirm performance consistency. The injector cross-references with 20R-8057, 10R-4761, 328-2583, 295-1408, 243-4502, 236-0973, EX634761, and additional listed numbers, allowing flexible sourcing for distributors and rebuilding workshops. Export packaging and single-piece or six-piece set supply options accommodate both individual replacement and complete engine overhaul scenarios.

For diagnostic and maintenance guidance, technicians are advised to use clean diesel fuel, replace fuel filters on schedule, drain water separators, and inspect injector electrical connectors during service. Injector balance testing, cylinder cut-out evaluation, and ECM fault code scanning help identify hard starting, rough idle, misfire, abnormal smoke, or high fuel consumption concerns. During full engine rebuilding, replacing all six injectors as a matched set is recommended to maintain balanced cylinder performance and extend service life.