Bosch original 3155044 Fuel Injector 20440409 0414702015 0414702025 3829644 for Excavator Engine Parts original new injector

Engineered specifically for the Volvo D12 engine platform, this Bosch 3155044 Electronic Unit Injector delivers precise fuel metering and pressurization within a single electronically controlled assembly. It is a direct fitment for Volvo D12, D12C, D12D, D12C420, D12D420 and D12C460 engines, as well as Volvo Penta D12 and industrial D12 power units, making it a reliable replacement across heavy-duty truck and marine applications.

Built using precision machining, hardened steel components and advanced surface treatments, this UIS / PDE unit injector withstands severe operating conditions while maintaining OEM-level calibration. The integrated design provides higher injection pressure and superior atomization, resulting in improved fuel economy, lower emissions, stronger torque output, enhanced cold starting and extended service life. It cross-references Bosch numbers 0414702010, 0414702021, 0414702005, 0414702003, 0414702013, 0986441006 and 0986441106, along with Volvo OE 20381597, 20440409, 8113408, 8170569, 6050251 and 5237322.

Suitable for Volvo FM12, FL12 and NH12 heavy-duty trucks, Volvo Penta marine engines, diesel generator sets and construction equipment, this injector helps resolve issues such as fuel return flow imbalance, rail pressure deviation, smoke emissions and engine vibration. For optimal performance, use high-quality diesel fuel, replace filters regularly, monitor injector balance values and perform periodic fuel system diagnostics.