original 243-4502 Common Rail Injector for C7 C9 Excavator 238-8901 263-8218 222-5961 265-8106 new injector original new injector

The C7 fuel injector 243-4502 is engineered as a direct OEM replacement component designed exclusively for C7 and C7 ACERT engine platforms. Built to match the original equipment specifications, this injector delivers precise fuel metering and consistent spray patterns required by the C7 common rail fuel system. It serves as a functional equivalent to OE part numbers 10R-7224, 253-0618, 387-9433, and 328-2585, allowing straightforward interchange during scheduled maintenance or injector overhaul procedures on -powered machinery.

Manufactured with heat-treated alloy steel internals and a precision-machined nozzle assembly, this injector is designed to withstand continuous heavy-load operation across construction, mining, transportation, marine, agricultural, and industrial power generation environments. Each unit is calibrated for stable fuel flow under demanding duty cycles and is validated through 100% fuel flow and leak testing prior to shipment. The EUI technology integrated into the assembly supports improved combustion efficiency, enhanced horsepower output, reduced fuel consumption, and lower smoke emissions, all of which contribute to extended engine service life and reliable performance in C7 applications.

Proper maintenance practices help preserve injector performance over the long term. Operators are advised to use OEM-quality fuel filters, supply only clean ultra-low sulfur diesel, and prevent water or particulate contamination from entering the fuel system. Scheduled filter replacement and periodic injector performance testing are recommended to detect early signs of wear, such as engine cranking difficulty, rough operation, white or black smoke, fuel odor, loss of power, or increased fuel consumption. A 12-month warranty covers manufacturing defects, providing added assurance for fleet operators and equipment owners relying on C7 engines in commercial service.