Caterpillar original Caterpillar 0R-3418 fuel injector 8N-7005 0R-3423 0R-3424 diesel fuel injection system spare part new injector original new injector

The CAT 0R-3418 injector nozzle is a precision-engineered diesel fuel injection component manufactured to meet OEM quality standards for Caterpillar heavy equipment. Designed for direct injection fuel systems, this nozzle is compatible with Caterpillar C6.4, C7, and 3126 series engines commonly found in excavators, loaders, generator sets, and industrial power plants. High precision CNC machining ensures micron-level tolerances, delivering consistent fuel atomization and reliable spray patterns across demanding duty cycles.

Constructed from high-strength alloy steel, the nozzle incorporates an anti-corrosion surface treatment that protects against oxidation, moisture, sulfur compounds, and other fuel-borne contaminants commonly encountered in construction, mining, and remote site operations. The hardened nozzle geometry maintains stable fuel flow rates and superior wear resistance throughout extended service intervals, reducing the frequency of injector replacement and minimizing equipment downtime in field conditions.

Routine maintenance includes regular fuel filter replacement, periodic inspection of injector assemblies, cleaning of the injector bore, removal of carbon deposits from seating surfaces, and injector calibration to manufacturer torque specifications. Operators should monitor for difficult engine starting, black or white smoke emissions, rough idle, reduced power output, increased fuel consumption, and engine misfire as indicators of nozzle wear. Authorized OE numbers covered include 0R-3418, 211318, and 3264700.