original 127-8220 Diesel Fuel Injector Assembly 1278220 0R-8467 101-8673 Mechanical Injector for 3116 C3116 Engine E320B E322B E325B Excavator Parts original new injector

Engineered as a direct replacement for the 3116 diesel engine, this fuel injector assembly (OE 127-8220) delivers precise diesel metering, controlled atomization, and stable injection timing for demanding heavy-duty operating environments. It is designed to match OEM-style fitment and to serve as a Reman-compatible alternative for fleet maintenance programs, supporting broad searchable cross-references including CA1278220, 0R-8467, OR-8467, 9Y-4982, 0R-8682, 0R-0471, 101-4561, 107-7773, 107-7734, 0R-8473, 4P-2233, and 0R-3580.

The injector meters diesel fuel, atomizes it into a controlled spray pattern, seals the fuel path, and helps maintain consistent combustion across all cylinders of the 6-cylinder 3116 platform. Each unit is checked for flow balance, leakage, spray pattern, and calibration consistency before shipment. Typical applications include excavators, wheel loaders, bulldozers, motor graders, industrial generator sets, marine auxiliary engines, mining support equipment, diesel pump units, and compressor power units serving global markets.

Correct installation requires verifying the 3116 engine model, engine serial number, and arrangement number, cleaning the injector bore and seat, and replacing sealing parts. Recommended maintenance includes clean diesel fuel, scheduled filter replacement, water separator draining, cylinder balance testing, and injector inspection during major overhaul to prevent hard starting, rough idle, black smoke, and power loss.