Perkins original  328-2580 Fuel Injector Assembly Replacement for C9 Engine Excavator Truck 328-2574 328-2576 10R7222 20R-8065  original new injector

The Perkins C9 Fuel Injector 328-2580 is an OE-specification common rail diesel injector engineered for the Perkins C9 engine platform used in 330D and 336D excavators, as well as related Perkins 336, E330D, E336D, and E340D models (E-series and E340D require serial number verification). It delivers precisely metered diesel at the correct injection pressure, timing, and spray pattern required by the common rail fuel system, supporting stable combustion, efficient power output, improved fuel economy, reduced smoke, and consistent engine response under heavy-duty operating conditions.

Built with a heavy-duty construction and direct-replacement design, this injector installs without modification and matches the original flow rate, nozzle geometry, and electrical characteristics of the Perkins C9 system. It is fully interchangeable with authorized cross references including 387-9431, 10R-9003, 20R-8069, 293-4074, 267-9710, 573-4231, and 20R-8846, allowing distributors and fleet operators to consolidate part sourcing. Full-set replacement is recommended for high-hour engines to restore balanced cylinder performance.

Routine maintenance is straightforward: use clean diesel fuel, replace fuel filters on schedule, drain the water separator regularly, keep the fuel tank clean, monitor injector balance, and inspect for abnormal smoke. Fault symptoms such as hard starting, rough idle, black or white smoke, misfire, high fuel consumption, loss of power, fuel knock, or external leaks should be diagnosed with proper diagnostic equipment. Store injectors in sealed packaging and avoid contamination during handling to preserve performance and service life.