Bosch original Diesel Fuel Injector 1420379 Replacement for OEM 2098522, 1734493 Common Rail Injector for DC12 DC16 D12 Excavator Truck 1440580 original new injector

Engineered for demanding heavy-duty diesel operations, the Bosch 1420379 diesel unit injector delivers original-quality fuel injection performance for Scania DC12.01 (11.7L / 12.0L) and DC16.01 (16.0L) Euro 3 engines, covering listed power ratings from 309 kW to 427 kW (approximately 420–581 HP). This injector family is fully cross-referenced with Bosch original numbers 0414701007 and 0414701056, Bosch exchange numbers 0986441007 and 0986441107, and Scania OE numbers 5237151, 1455860, 1497385, 1529750, 574368, and 574381, simplifying database matching and replacement sourcing.

Built on Bosch UIS / PDE / PDS pump-nozzle technology, the 1420379 integrates high-pressure fuel generation and injection control within a single cylinder-specific assembly. An internal plunger mechanism pressurizes the diesel fuel, while precise valve actuation governs injection timing and fuel quantity, producing finely atomized spray for stable combustion. The result is improved combustion efficiency, reduced exhaust smoke, stronger engine response, and dependable operation under the thermal and vibration stresses typical of industrial duty cycles.

Typical applications include Scania 124 and 164 platforms such as P420, R420, T420, R580, and T580, alongside commercial truck fleets, buses, long-haul transport, construction support, mining logistics, generator units, and industrial diesel power systems. For diesel repair workshops, fleet operators, remanufacturers, and international parts distributors, the broad OE and cross-number coverage streamlines core identification and workshop replacement. Part-number verification before ordering is recommended to guarantee exact engine and vehicle fitment.