This 2645A749 common rail fuel injector is a precision-engineered replacement part for Caterpillar C6.6 and Perkins 1106D-E66TA diesel engines, widely used on CAT 320D, 323D excavators.
Built with high-strength steel body and premium nozzle assembly, the injector delivers stable fuel atomization, optimizes combustion efficiency, restores engine power, reduces fuel consumption and exhaust smoke. Every unit undergoes strict bench testing to guarantee consistent performance before packing.
✅ Caterpillar Excavator: 320D, 323D ✅ Engine: CAT C6.6, Perkins 1106D-E66TA, 1106D
Please confirm your OEM part number and engine model before ordering. If you are unsure about compatibility, send us your machine serial number for verification. Professional installation is recommended.