original Fuel Injector 1OR-1814 for C11 C12 C13 Engine Excavator Diesel Common Rail Injector Replacement OEM 10R-1305 20R-0055 249-0712 249-0707 10R-3147 original new injector

Engineered for demanding heavy-duty operations, the 1OR-1814 Electronic Unit Injector delivers precise fuel atomization and reliable performance for C12 series diesel engines. Manufactured to strict OEM standards, this injector is fully interchangeable with cross reference numbers 10R-1814, 229-5918, 194-5083, 212-3463, 9295918, 1198784, 2153198, 9X7317, EX630963, 10R0963, OR4987, 1611785, OR9530, 1660149, 10R1258, 2123465, and 2123468, offering a versatile replacement solution across a wide range of industrial platforms.

The 1OR-1814 features a precision nozzle design, high-pressure fuel delivery capability, and electronic fuel control for optimized combustion efficiency and reduced emissions. Its industrial-grade construction ensures long service life under continuous-duty applications including construction excavators, wheel loaders, mining equipment, marine propulsion units, generator sets, and heavy trucks. Whether deployed in oil & gas, power generation, agriculture, or industrial manufacturing sectors, this injector maintains stable combustion balance and consistent power output across the entire C12 engine family, including C12 Industrial, C12 Marine, C12 Generator, and C12 Truck Engine variants.

For optimal service life, use premium diesel fuel, replace fuel filters regularly, and monitor injector balance rates during preventive maintenance. During installation, replace injector seals, clean the injector bore thoroughly, verify ECM calibration, and perform an injector cutout test to confirm proper fuel pressure specifications. Common issues such as hard starting, excessive smoke, rough idle, power loss, high fuel consumption, and misfires can be effectively resolved through timely injector replacement.