Caterpillar original 392-0202 INJECTOR GP-FUEL for 3512B 3516B Excavator 793C 793D 797 TRUC Engine Diesel Fuel Injector Replacement for OEM new original new injector

The CAT 392-0202 fuel injector is an OEM-specification diesel fuel injector assembly engineered for Caterpillar 3500 series engines, including the 3512B, 3516B, 3508, and 3520 models. It is commonly deployed across generator sets, marine propulsion systems, and heavy industrial machinery. This injector is widely cross-referenced with part numbers 20R-1266, 10R-1303, 250-1302, 229-0201, 172-4676, 386-1754, and 386-1757, making it a flexible replacement solution for global service operations.

Designed to meet the rigorous performance requirements of CAT high-horsepower diesel platforms, the 392-0202 injector assembly delivers precise fuel metering, consistent high-pressure fuel delivery, and uniform spray atomization. These characteristics support improved combustion efficiency, reduced fuel consumption, and lower exhaust emissions, helping operators maintain compliance with environmental standards while maximizing engine output. Each injector is built to OEM tolerances to ensure reliable operation under continuous-duty industrial and marine load profiles.

The CAT 3920202 injector also serves as a remanufactured replacement unit under interchange 20R-1266 and 10R-1303, offering a cost-effective option for fleet maintenance, mining operations, and offshore oilfield equipment. Its robust internal components are manufactured to withstand elevated cylinder pressures and prolonged service intervals, extending overall service life and reducing unscheduled downtime. Suitable for power generation, marine, mining, oilfield, and heavy construction applications, this injector is a dependable choice for B2B buyers and engine rebuild specialists worldwide.