Bosch original Fuel Injector 1440580 144-0580 for Scania Truck Excavator DC12 DC16 Replacement for OEM 0574394 0986441107 0986441116 Diesel original new injector

Engineered specifically for the Volvo D12 engine platform, the BOSCH 1440580 diesel fuel injector delivers precise fuel metering across the full D12 family, including D12A, D12B, D12C, D12D, and D12E variants, as well as TD122, TD123, and industrial D12 configurations. Built to OEM dimensional accuracy, this injector integrates seamlessly with the common diesel fuel injection system used in Volvo FH12, FM12, and NH12 heavy trucks, ensuring reliable performance in demanding commercial and industrial operating conditions.

This injector features precision nozzle machining and an optimized spray pattern that supports efficient combustion and consistent cylinder balance. High-pressure fuel handling capability, corrosion resistance, and extended wear life make it well suited for heavy-duty trucking, construction equipment, marine engines, generator sets, and industrial power systems. Low leakage performance helps maintain fuel efficiency and stable engine operation throughout extended service intervals. Cross-referenced part numbers 20430583, 20440388, 20524684, 20524685, 0445120057, and 0445120066 simplify sourcing and inventory matching.

To maximize service life, use high-quality diesel fuel, replace fuel filters regularly, and avoid water contamination while following OEM maintenance schedules. Recommended diagnostic procedures include injector bench testing, fuel return flow measurement, cylinder balance testing, compression testing, electronic diagnostic scanning, and exhaust emission analysis. This BOSCH 1440580 injector is a dependable replacement choice for fleets, workshops, and industrial operators supporting Volvo D12 engine applications.