Cummins original 4914325 Diesel Engine Fuel Injector for NT855 NTA855 NH220  3054231 3054233 Fuel Diesel Injector Pump Excavator Engine Spare Parts original new injector

Engineered for demanding heavy-duty operations, the Cummins 4914325 PT Fuel Injector delivers precise, reliable fuel delivery across a wide range of industrial diesel platforms. Manufactured to OEM equivalent standards, this injector assembly integrates seamlessly with the Cummins PT fuel system to ensure accurate injection control and excellent fuel atomization under the most challenging conditions.

This injector is compatible with Cummins NT855, NTA855, NH855, N855, N14, KTA19, KTA38, and KTA50 engines, making it a versatile solution for heavy duty trucks, mining equipment, construction machinery, diesel generator sets, marine engines, oilfield equipment, and power generation units. It cross-references with part numbers 4062569, 4010346, 4062569RX, 4062569NX, R4062569, and 1480750005, simplifying sourcing and inventory management for fleet operators and equipment builders worldwide.

Built for high durability and long service life, the 4914325 offers stable performance under heavy loads while keeping maintenance costs low. To maximize reliability, use high-quality diesel fuel, replace filters regularly, drain water separators, inspect fuel lines, and test injector performance periodically. Effective diagnostics support easy troubleshooting: check spray pattern for hard starting, inspect nozzle wear for black smoke, verify fuel pressure for power loss, check leakage for white smoke, and inspect injection timing for engine knock.