Cummins original 3076703 Diesel Engine Fuel Injector for K38 K50 KTA38 KTA50 3349860 3609962 Fuel Injection Injector Construction Machinery Parts original new injector

Engineered for the most demanding heavy-duty diesel environments, the Cummins PT Fuel Injector 3076703 delivers precise fuel metering and dependable service across large-displacement engine platforms. Built to OEM quality manufacturing standards, this injector assembly supports the PT (Pressure-Time) fuel system used throughout the Cummins K-Series and QSK engine families, ensuring accurate delivery under continuous operating loads.

This component is compatible with NT855, NTA855, NTAA855, K19, KTA19, KTTA19, QSK19, K38, KTA38, KTTA38, QSK38, K50, KTA50, KTTA50 and QSK50 engines. Cross-reference and alternative numbers include 3076703-20, 3076703RX, 3076703PX, 3279719, 3016675, 3016676, 3022197, 3052255, 3054218, 3076130, 3076132, 3076700, 3076702, 3076704, 3077715, 3077760, 3087587, 3095773, 3349861, 3609962, 4296423 and 4912080. Applications span mining trucks, excavators, wheel loaders, bulldozers, marine propulsion systems, generator sets and oilfield equipment.

Key advantages include enhanced combustion efficiency, reduced fuel consumption, long operational life and reliable performance under sustained load. For optimal service life, use ultra-clean diesel fuel, replace fuel filters regularly, inspect injector spray patterns and monitor exhaust conditions. Common diagnostics: black smoke indicates nozzle condition checks, power loss points to fuel delivery inspection, and high fuel consumption calls for injector leakage testing.