Caterpillar original Common Rail Fuel Injector 392-6214 for Mining Cars, Heavy Construction Machinery, Replacement for OEM 250-1306, 250-1308, 250-1312, fits Diesel Engines original new injector

Purpose-built for demanding Caterpillar 3500 Series diesel engine platforms, the CAT 392-6214 common rail fuel injector is an original-new OEM-spec component engineered to match the fit and performance of factory-installed parts. It is compatible with CAT 3512B, 3508B, and 3516B diesel engines, including heavy-duty, marine, and industrial genset variants. A full set of verified cross-reference numbers supports seamless part matching for purchasing and maintenance teams, eliminating compatibility risks for replacement procurement.

As a precision metering component in the high-pressure common rail fuel system, this injector follows strict OEM tolerance requirements to deliver reliable high-pressure fuel delivery across extreme operating conditions. Its hardened construction, corrosion-resistant materials, and precision-machined nozzle support accurate fuel atomization, optimized combustion, reduced fuel consumption, lower emissions, stable idle performance, and consistent power output, while extending overall engine service life.

This industrial-grade injector serves a wide range of heavy-duty applications across industrial power generation, marine propulsion, mining, heavy construction, oil and gas operations, and stationary compression power. It is validated for use in equipment including industrial gensets, marine vessels, mining trucks, and construction machinery, making it a dependable choice for MRO teams, equipment fleet operators, and industrial parts distributors serving global markets.