Caterpillar original 0R-8463 Diesel Fuel Injector for 3116 3126 Engine, Replace 0R-8682 127-8230 4P-2995 127-8216 200B 320B 325B Excavator Truck original new injector

The Caterpillar 0R-8463 fuel injector is engineered as a direct OEM replacement for CAT 3116, 3116TA, and 3126 diesel engines, covering the cross reference numbers 0R8463, 162-0212, 127-8230, 107-1231, and 6I-3669. Manufactured from heat-treated alloy steel, this injector assembly is built to deliver consistent fuel atomization and accurate injection timing under the demanding conditions of industrial, marine, and power generation operations. Every unit is calibrated to OEM specification standards, flow bench tested, and leak tested to verify performance before shipment.

Designed for installation in the cylinder head, the 0R-8463 assembly incorporates hardened internal components, high-temperature resistant materials, and corrosion-resistant construction to extend service life and reduce downtime. Operators benefit from improved combustion efficiency, lower fuel consumption, reduced exhaust smoke, stable idle behavior, and optimized engine power output across a wide range of equipment platforms including wheel loaders, excavators, generator sets, tug boats, and commercial trucks.

Routine maintenance plays a critical role in maximizing injector life. Recommended service steps include cleaning the injector bore, inspecting the cylinder head seat, replacing seals and washers, torquing the assembly according to OEM specifications, bleeding the fuel system, and performing scheduled fuel filter replacement along with periodic injector inspection and calibration testing. By following these procedures, fleet operators and equipment owners can maintain reliable engine performance, control operating costs, and ensure long-term dependability for their Caterpillar-powered machinery.