Caterpillar original Diesel Engine Fuel Injector 0R-4987 Common Rail Injector for CAT C12 C10 Excavator 170-5252 203-3464 229-5918 187-6549 208-9160 317-5279 original new injector

The Caterpillar CAT C12 Fuel Injector 0R-4987 is engineered as a reliable remanufactured and replacement solution for heavy duty diesel engine applications. Designed to deliver precision fuel metering and high pressure fuel delivery, this electronic unit injector ensures optimized spray atomization consistent with original equipment specifications. It serves as a dependable alternative for Caterpillar C12 engines operating across construction equipment, heavy duty trucks, industrial power units, generator sets, marine engines, mining equipment, and oilfield machinery.

Manufactured to meet OE specification standards, the 0R-4987 injector provides corrosion resistance and an extended service life under demanding operational conditions. Each unit supports consistent engine performance, heavy duty operational capability, and stable fuel system pressure required for industrial and on-highway applications. The injector is fully interchangeable with cross reference numbers including 10R0955 and 2530616, allowing direct fitment without modification.

Routine maintenance is simplified through clean fuel system management, scheduled injector performance testing, and periodic replacement of fuel filters to prevent contamination. Diagnostic procedures such as injector balance testing, fuel pressure inspection, electrical connection checks, ECM fault code review, fuel return flow testing, and spray pattern evaluation help identify injector condition and maintain reliable C12 engine operation across all supported equipment platforms.