Perkins original Perkins 243-4502 Diesel Fuel Injector Replacement for C7 Engine 241-3238 241-3400 268-1836 387-9434 new injector original new injector

The Perkins 243-4502 fuel injector is an OEM-quality replacement component engineered specifically for the Perkins C7 engine platform, including the C7 ACERT variants used across industrial, construction, and marine power applications. Designed to meet original factory specifications, this injector delivers precise fuel metering and consistent spray patterns essential for maintaining optimal combustion efficiency. It is a direct cross reference for 10R-7224, 253-0618, 387-9433, and 328-2585, giving fleet operators and service technicians a single reliable part number that covers multiple equipment applications.

Manufactured with precision-machined injector nozzles, heavy-duty internal valve components, and heat-treated alloy steel materials, the 243-4502 is built to withstand continuous heavy-duty operation and extreme environmental conditions. Advanced Electronic Unit Injector (EUI) technology ensures accurate fuel atomization, improved combustion efficiency, and stable fuel flow, which together contribute to increased horsepower, lower fuel consumption, and reduced smoke emissions. Every unit undergoes 100% fuel flow and leak testing before shipment to guarantee consistent performance and extended engine life in demanding field environments.

Proper maintenance is critical to maximizing injector service life. Operators should use OEM-quality fuel filters, supply clean ultra-low sulfur diesel fuel, prevent water contamination, replace filters on schedule, and conduct periodic injector performance testing. Common symptoms indicating a failing injector on the Perkins C7 engine include hard cranking, white or black smoke, fuel odor, power loss, elevated fuel consumption, and rough engine operation. Each injector is backed by a 12-month warranty, providing assurance for distributors, dealers, and end users seeking dependable replacement solutions for excavators, wheel loaders, motor graders, generator sets, and marine propulsion systems.