Caterpillar original Diesel Injector Pump 0R-8483 107-7732 140-8413 0R-8867 for 3114 3126 Engine Excavator E322B 953B High Pressure Fuel Nozzle original new injector

The Caterpillar 3116 Series Fuel Injector 0R-8483 is a remanufactured diesel fuel injector designed as a direct OEM replacement for the Caterpillar 3116 engine platform. Featuring a 7 mm nozzle diameter with a 5-hole spray configuration, this injector is engineered to deliver consistent atomization, stable injection pressure, and reliable combustion performance for heavy-duty operations. The unit is cylinder head mounted and integrates seamlessly into the original fuel injection system, supporting the engine's overall efficiency and power output across demanding working environments.

This injector is cross-referenced with part numbers 0R8483, 127-8209, 1278209, and OR-8483, providing a flexible sourcing solution for fleet operators, service workshops, and parts distributors. It is compatible with Caterpillar 918F and 928F wheel loaders, the IT18F integrated toolcarrier, and the 953B track loader / track-type tractor, as well as broader industrial diesel engine applications using the 3116 series. The compact assembly, with a height of 121.9 mm (4.8 in), width of 129.5 mm, and length of 223.5 mm (8.8 in), allows straightforward installation when correct torque specifications and Caterpillar service procedures are followed.

Engineered for global fleet maintenance and heavy equipment repair programs, the 0R-8483 injector offers dependable performance, simplified cross-referencing, and consistent quality. Operators are advised to verify the part number, engine serial number, and arrangement number prior to installation, use clean diesel fuel, replace fuel filters regularly, and inspect injector sleeves, seals, and O-rings to ensure optimal fuel system integrity and long service life.