Bosch original 1420379 Diesel Injector Overhaul Repair Kit for DC12 DC16 D12 Replacement for OEM 1455860 1943974 Truck Excavator Auto Parts original new injector

Engineered to match the exact fueling demands of Scania's DC12.01 and DC16.01 platforms, the Bosch 1420379 unit injector delivers precise, engine-specific compatibility across 11.7L, 12.0L and 16.0L Euro 3 configurations. Covering power ratings from 309 kW to 427 kW, it fits Scania 124, 164, P420, R420, T420, R580 and T580 vehicles, supporting commercial truck fleets, buses, long-haul transport and industrial diesel equipment after part-number verification.

Built for demanding industrial diesel applications, this Bosch unit injector supports high fuel pressure, precise atomization and stable combustion, delivering reduced exhaust smoke, reliable engine response and long service life. Its construction offers strong thermal resistance, vibration resistance and accurate fuel metering. Broad OE and cross-reference coverage—1420379, 0414701007, 0414701056, 0986441007, 0986441107, 5237151, 1455860, 1497385, 1529750, 574368 and 574381—simplifies sourcing for repair workshops, fleet operators, remanufacturers and distributors.

Before installation, confirm the old injector number and engine code, ensure the injector bore is free from carbon, metal particles, water and dirt, replace sealing parts, and follow official torque procedures. After fitting, perform leak testing, injector balance testing, ECU fault-code scanning, idle stability monitoring and load testing. Maintain clean fuel, replace filters on time and follow supplier core-return rules for exchange units.