Bosch original 1548475 Fuel Injector for DC12 DC16 Diesel Unit Injector 0 414 701 040 Replacement for OEM P420 R620 Heavy-Duty Truck Excavator Part original new injector

Engineered specifically for the Volvo D12 engine platform, the Bosch 1548475 Electronic Unit Injector delivers a precise fit for D12A, D12B, D12C, and D12D power units. This unit injector (EUI/UIS) is produced according to Bosch fuel injection system specifications, ensuring accurate fuel quantity control and optimized atomization efficiency across the inline 6-cylinder, turbocharged diesel configuration used in heavy-duty commercial and long-haul applications.

Carrying primary OE number 0414703009 and cross references 1548475, 0414703018, 0986441027, 21129910, VOE21129910, 7421129910, and VOE7421129910, this injector serves as a direct replacement for Volvo FH12, FM12, and NH12 trucks, the B12 bus, plus Volvo construction equipment and industrial power units. Its high-durability construction is designed to withstand demanding operating conditions, supporting stable engine power delivery, enhanced cold starting, and reduced exhaust emissions.

Designed to improve fuel economy through complete combustion and superior fuel atomization, this component helps operators lower fuel consumption and meet emission targets. For optimal service life, use clean diesel fuel, replace filters regularly, and prevent water contamination. Recommended diagnostics include Injector Return Flow Test, Cylinder Balance Test, Bosch Injector Bench Testing, ECU Fault Code Analysis, and Fuel Pressure Inspection to verify performance and maintain reliable Volvo D12 engine operation.