original 20R-8064 Fuel Injector Common Rail for C9 C9 Diesel Engine E330D E336D E340D 330D 336D Excavator Construction Machinery Spare Parts new original new injector

The C9 Fuel Injector 20R-8064 is purpose-built for C9, C9 ACERT, and C9.3 engine series, delivering precise fuel metering through an electronic high pressure common rail system that operates at pressures exceeding 1,600–2,000 bar. Each injector is manufactured with CNC-machined components, micron-level tolerance control, and a laser-calibrated nozzle assembly, ensuring accurate fuel atomization and a consistent spray pattern. Designed as a direct OEM quality replacement for part number 320-8064, with interchange references 10R-8056, 10R-8055, and 10R-8057, this injector integrates seamlessly with the engine's electronic control unit to optimize combustion quality and reduce overall fuel consumption.
Engineered for heavy-duty industrial environments, the 20R-8064 features hardened internal components, corrosion-resistant steel construction, high temperature resistance, and wear-resistant surfaces to ensure long service life under continuous high-load operation. It supports lower particulate matter emissions and reduced NOx production, helping operators meet current environmental compliance standards. Every unit undergoes 100% performance testing to verify stable injection performance, making it a reliable solution for construction machinery, mining equipment, generator sets, and other power generation applications that depend on the C9 platform.
Routine maintenance is straightforward and critical for sustained performance. Daily checks should include fuel leakage inspection, connector inspection, engine noise monitoring, and smoke observation. Every 250 hours, operators should inspect the fuel filter, perform an injector balance test, and verify fuel pressure. Every 500 hours, conduct injector performance diagnosis, spray pattern inspection, and return flow testing. Every 1000 hours, perform a full fuel system inspection, injector calibration verification, and fuel rail cleaning. This injector is widely used in excavators such as the 320D, 325D, 330D, and 336D, wheel loaders including the 950H and 966H, motor graders, bulldozers, backhoe loaders, haul trucks, crushers, prime, standby, and emergency generators, pump drives, compressors, drilling equipment, marine auxiliary engines, commercial vessels, irrigation systems, harvest equipment, and large tractors.