original 172-5780 Excavator Fuel Injector Common Rail Replacement for 330C 330CL 973C C7 C9 3126 217-2570 235-2888 original new injector

The fuel injector 172-5780 is engineered as a direct OEM replacement specifically calibrated for C7 and C9 series engines, including the C7 ACERT and C9 ACERT variants. This electronic unit injector is manufactured from high strength alloy steel to withstand the high pressure injection demands of modern diesel powertrains. The component is designed to deliver superior fuel atomization, ensuring consistent combustion efficiency across the full operating range of C7 and C9 engines installed in heavy equipment, generator sets, and industrial machinery. Cross references covering 1725780, 235-2888, 2352888, 235-9649, 2359649, 188-8739, 1888739, 217-2570, 2172570, 236-0962, 2360962, 10R-7224, 10R7224, and CA1725780 allow broad interchangeability with existing fuel injection systems.

Engineered for demanding field conditions, this injector is built with heavy duty construction and high pressure injection technology that promotes long service life and reduced fuel consumption. The precision matched internal components maintain stable injection timing and spray pattern, supporting enhanced engine performance and lower exhaust emissions in C7 and C9 applications. The unit integrates seamlessly with the original electronic control system, requiring no additional calibration or modification during installation. Its robust design also minimizes wear under continuous duty cycles, making it suitable for construction sites, mining operations, agricultural fields, and stationary generator installations where downtime is costly.

This C7 C9 fuel injector fits a wide range of equipment, including the 330C, 330C L, and 330C FM Excavators, the D6R II Tractor, the 973C Loader, TK711, TK721, TK722 track harvesters, and MT735, MT745 track tractors, as well as various industrial generator sets. Each injector is produced under strict OEM precision manufacturing standards to guarantee dimensional accuracy and reliable fitment with original fuel lines and electrical connectors. Whether deployed in earthmoving fleets, material handling equipment, or remote power generation units, this injector provides a dependable replacement solution that restores original engine output and fuel economy for C7 and C9 powered machinery.