Caterpillar original 328-2580 Fuel Injector Assembly for C9 Engine Replacement for OEM 387-9431 328-2574 Fits Excavator Truck Cross Reference 10R7222 original new injector

Sourced for heavy-duty diesel power system maintenance and overhaul, the Caterpillar C9 Fuel Injector 328-2580 (searchable as 3282580) is a purpose-built diesel injector assembly designed for CAT C9 engine platforms, with widespread application in Caterpillar excavator and industrial heavy equipment fleets. As an OE-matching replacement component, it delivers consistent fuel supply for diesel combustion systems, and aligns with the fitment requirements of 330D and 336D excavator models used in construction and industrial worksites.

The 328-2580 injector is associated with a comprehensive cross-reference database across diesel parts supply chains. High-confidence interchangeable part numbers include 387-9431/3879431, 10R-9003/10R9003 and 20R-8069/20R8069, while 293-4074/2934074 and 267-9710/2679710 carry medium-high confidence ratings. Additional aftermarket references 573-4231 and 20R-8846 require full verification against engine serial number, machine serial number, injector trim code and removed original part number before confirmation, as do all extended equipment applications.

For B2B buyers, available condition options include new aftermarket, OEM replacement, genuine original and remanufactured units depending on supplier stock. Professional installation and fuel system cleaning are strongly recommended to secure stable injection performance, optimal fuel economy and low exhaust smoke. To ensure order accuracy, buyers shall provide engine serial number, machine model and serial number, old injector part number, injector label photos and required order quantity, with warranty and core return policies available via supplier consultation.