Caterpillar original C6.6 310-9067 320-0680 10R-7672 10R-7669 292-3780 common rail diesel fuel injector for 320D M318D M322D excavator OEM original new injector

The Caterpillar 310-9067 fuel injector is engineered as a direct OEM replacement for CAT C6 diesel engines, delivering precision fuel metering through advanced common rail injection technology. Built with heavy-duty internal construction and corrosion-resistant materials, this injector maintains stable engine performance under demanding industrial operating conditions. Each unit is calibrated to OEM-standard flow rates, ensuring optimal fuel atomization, efficient combustion, and reduced fuel consumption across construction, power generation, and heavy equipment applications.

This injector assembly is compatible with multiple cross reference numbers including 326-4700, 328-2574, and 10R-7675, providing a reliable replacement solution for excavators, wheel loaders, backhoe loaders, diesel generator sets, mining equipment, agricultural equipment, industrial power units, and marine auxiliary engines. The high-pressure fuel delivery system supports consistent injection performance, contributing to extended operational lifespan and reduced downtime in field operations.

Proper maintenance practices are essential to maximize injector service life. Operators should use high-quality diesel fuel, replace fuel filters at recommended intervals, and avoid water contamination within the fuel system. Routine diagnostic procedures—including fuel pressure checks, injector leak-off tests, cylinder balance tests, ECU fault code verification, and spray pattern inspection—help identify performance issues before they escalate, ensuring long-term reliability of the Caterpillar C6 engine platform.