Bosch original 1920420 Diesel Injector Common Rail Fuel Injector Assembly for D12 Excavator Engine Components Replacement for OEM 1487472 1942702 1734493 original new injector

Engineered specifically for the Volvo D12 engine family, the BOSCH 1920420 diesel fuel injector delivers factory-matched performance across the D12A, D12B, D12C, D12D, and D12E platforms, as well as TD122, marine, and industrial D12 variants. This injector is built to OEM manufacturing standards, ensuring direct replacement installation without modification and consistent fuel delivery within the Volvo diesel fuel injection system.

Precision machined components and multi-hole nozzle technology provide accurate atomization and efficient combustion under demanding operating conditions. Corrosion resistant materials, thermal resistant construction, and wear resistant internal components support long service life, high pressure stability, and reduced downtime. The 1920420 is fully interchangeable with cross reference numbers 20524606, 20524607, 20524608, 8113941, 8112515, 20440388, 20459183, 20459204, and 8112509, making sourcing and inventory management straightforward for fleet operators and workshops.

Widely applied across Volvo FH12, FM12, NH12, B12 buses, VT and VHD series trucks, plus excavators, wheel loaders, articulated haulers, generator sets, and marine propulsion systems, this injector suits diverse heavy duty environments. For optimal results, clean fuel lines before installation, replace sealing washers, inspect the injector bore, apply specified torque values, and perform leakage testing. Preventive maintenance including quality diesel fuel, regular filter changes, and periodic diagnostic testing further extends service reliability.