Caterpillar original 211-3025 10R-0955 239-4909 Diesel Engine Fuel Injector for C15 C16 3406E E329D Excavator Truck new injector original new injector

The CAT 211-3025 diesel fuel injector is engineered as a direct OEM replacement for Caterpillar C15, C16, 3406E, and C15 ACERT diesel engines, delivering dependable fuel delivery across demanding heavy equipment applications. Built with a precision-machined nozzle assembly and high-pressure injection technology, this unit provides accurate fuel metering for optimized combustion, supporting stable electronic performance and consistent engine operation. The component is manufactured to original equipment specifications, featuring wear-resistant internal components and a corrosion-resistant housing that contributes to an extended service life under harsh operating environments.

This injector is designed to fit a wide range of Caterpillar-powered machinery, including mining trucks, construction trucks, wheel loaders, excavators, bulldozers, motor graders, haul trucks, generator sets, marine engines, commercial vessels, and oil and gas equipment such as fracturing units and drilling power units. Its OEM-equivalent fitment allows for straightforward installation without modification, making it suitable for fleet maintenance, engine overhaul, and field replacement scenarios.

With cross-reference compatibility for 10R-0957, 2113025, CAT2113025, and CAT10R0957, this fuel injector assembly addresses common issues including injector circuit faults, solenoid failure, fuel delivery imbalance, cylinder contribution faults, and ECM communication errors. Proper maintenance practices—such as using clean diesel fuel, replacing fuel filters at recommended intervals, conducting injector balance tests, and following Caterpillar service schedules—help ensure long-term reliability, reduced fuel consumption, lower emissions, and improved overall engine power output.