original Diesel Fuel Injector 250-1313 for C12 3500 3508 3508B 3512 3512B 3516 3516B Engine Excavator 797 793C 789C 793D Truck Replacement for OEM 10R-1285 361-9355 original new injector

Engineered for demanding heavy-duty operation, the 250-1313 Fuel Injector Assembly is a precision-manufactured fuel injection component designed as a direct OEM replacement for the 3512B diesel engine platform. Cross-referenced under 250-1313 and 2501313, this injector delivers the metering accuracy, atomization quality and high-pressure fuel delivery required by continuous-duty industrial and marine power units. Each unit is built to meet strict dimensional and hydraulic specifications, ensuring seamless integration into the 3512B fuel system without modifications.

The injector features precision nozzle manufacturing and advanced internal flow control design, producing improved fuel atomization, better combustion efficiency and reduced black smoke emissions. Operators benefit from lower fuel consumption, improved engine responsiveness, enhanced cylinder balance and stable idle performance. Every 250-1313 assembly undergoes performance testing, leak testing, pressure verification, flow balancing, spray pattern analysis and dimensional inspection, delivering reduced maintenance costs, longer engine service life and improved overall engine reliability across power generation systems, marine propulsion engines, mining equipment, offshore platforms, oilfield power units and industrial compressors.

For optimal service life, verify OEM number 250-1313 and engine model 3512B before installation, clean the fuel rail system, replace sealing components, inspect the injector bore and confirm fuel cleanliness. During installation, follow service manual procedures, use proper injector seating tools, apply specified torque values and inspect fuel return lines. After installation, conduct leak testing, verify fuel pressure, perform cylinder balance testing and monitor engine operating parameters.