Perkins original Perkins 203-7685 Fuel Injector Assembly for C10 C12 3176C Excavator 345B II 365B L Engine Common Rail new injector original new injector

The Perkins 203-7685 EUI fuel injector is an industrial-grade Electronic Unit Injector assembly engineered for Perkins C10, C-12, 3176B, 3176C and 3196 diesel engines. It is widely used on Perkins 725 and 730 articulated trucks, 345B II, 365B and 972G II construction machines, 16H motor graders, MT-series Challenger equipment, R1600G and R1700G load haul dump machines, and Perkins C-10 and C-12 industrial engine installations including the CPT372 pumper application. Cross references include 10R-1268, 10R1268 and CA10R1268, with reman exchange options available for global procurement convenience.

This injector is designed to deliver precise diesel fuel metering, efficient atomization and accurate injection timing control, supporting improved combustion stability, reduced smoke emission, engine power recovery and fuel efficiency in heavy-duty working environments such as construction, mining, quarrying, material handling, power generation and earthmoving operations. Each unit is produced as a direct-fit replacement matched to the original OE number for correct fitment and reliable cold-start performance.

Before installation, verify the injector number, engine serial number and machine serial number. Clean the injector bore, replace seals and O-rings, inspect electrical connectors and install according to OEM torque specifications. Prime the fuel system, check for leakage, evaluate idle quality and perform load testing with a fault code scan. For ongoing maintenance, use clean diesel fuel, replace fuel filters regularly, drain the water separator, inspect injector balance and wiring, and replace injectors as a matched set when required. Store injectors in sealed packaging and protect used cores to support reman exchange programs.