original 243-4502 Common Rail Fuel Injector for C7 C9 Diesel Engine Excavator Parts 2434502 10R-4763 268-1836 387-9434 241-3400 265-8106 Replacement OEM original new injector

Engineered as a direct OEM-equivalent replacement, the 243-4502 Fuel Injector delivers precision fuel atomization for C7 and C7 ACERT diesel engines used across construction, mining, marine, and power generation applications. This Electronic Unit Injector (EUI) assembly cross-references authorized part numbers 10R-7224, 253-0618, 387-9433, and 328-2585, providing operators worldwide with a reliable interchange option for heavy-duty diesel service. Manufactured from heat-treated alloy steel with precision-machined nozzle components, this injector meets stringent industrial performance standards.

The 243-4502 injector features heavy-duty internal valve components, enhanced resistance to fuel contamination, and stable operation under continuous load conditions, making it suitable for extreme environmental applications. Each unit undergoes 100% fuel flow and leak testing to guarantee OEM-level fuel delivery accuracy. Benefits include improved combustion efficiency, increased horsepower output, lower fuel consumption, reduced smoke emissions, and extended engine service life. Typical installations include excavators, wheel loaders, motor graders, generator sets, marine engines, and industrial diesel power units operating across global markets in North America, Europe, the Middle East, Southeast Asia, South America, Africa, and Australia.

Common failure symptoms indicating injector replacement include hard cranking, white or black smoke, fuel odor, power loss, increased fuel consumption, and rough engine operation. For optimal service life, use OEM-quality fuel filters, clean ultra-low sulfur diesel, and perform periodic injector performance testing. Backed by a 12-month warranty.