Perkins original Perkins 10R-7671 Fuel Injector for C4.4 C6.6 C6.4 Excavator E320D 323D Replacement for OEM 320-0677 320-0680 new injector original new injector

The Perkins C6 Injector 10R-7671 is an original equipment diesel fuel injector engineered for Perkins C6, C6.4, and C6.6 industrial engines operating within high pressure common rail fuel systems up to 1800+ Bar. Built with a precision-machined nozzle assembly and high-strength steel construction, this injector delivers advanced fuel atomization, accurate fuel metering, and optimized combustion efficiency. It is designed to reduce fuel consumption while maintaining stable engine performance under demanding industrial operating conditions.

This OEM replacement injector carries cross reference compatibility with part numbers 10R7671, 326-4700, 3264700, 2645A751, and 10R7671R, ensuring direct fitment accuracy and reliable interchangeability across a wide range of Perkins powered equipment. It is suitable for excavators, wheel loaders, backhoe loaders, motor graders, mining machinery, standby and prime generator sets, marine propulsion systems, agricultural equipment, industrial power plants, and oil and gas equipment. The electronic control design and high-pressure durability provide consistent injection response and long service life.

To maintain injector performance, operators should use clean diesel fuel, replace fuel filters regularly, drain water separators, monitor fuel pressure, and perform injector balance testing. Always install new sealing washers, keep the injector tip free from contamination, follow Perkins torque specifications, verify ECM calibration after installation, and check fuel return flow. Common failure indicators include difficult engine starting, excessive black or white exhaust smoke, rough idle, reduced power output, increased fuel consumption, engine vibration, and diagnostic fault codes.