Bosch original Diesel Fuel Unit Pump Injector for Scania D12 DC12 DC16, for heavy duty diesel engine application, Fuel Injector Assembly 1478543, Replacement for OEM 1440580 original new injector

Designed as an industrial-grade Electronic Unit Injector (EUI), the BOSCH 1478543 Diesel Fuel Injector integrates high-pressure fuel generation and electronic injection control within a single assembly. Driven by the engine camshaft and actuated through ECU-controlled solenoid signals, the injector delivers precisely metered, finely atomized fuel directly into the combustion chamber. Manufactured to OEM specification and available in new or remanufactured condition, it provides a dependable replacement solution for Volvo D12 series diesel engines operating in demanding heavy-duty environments.

Key engineering advantages include accurate fuel metering, superior atomization, and high-pressure injection capability, contributing to reduced fuel consumption, lower exhaust emissions, enhanced torque output, and improved cold starting. Heavy-duty internal construction ensures a long operational lifespan and stable power delivery under continuous load, while global Bosch quality standards guarantee consistent fuel delivery performance. These characteristics make the injector a cost-effective choice for fleet operators and maintenance providers seeking reliable engine performance and minimized downtime.

The 1478543 injector is compatible with Volvo D12A, D12B, D12C, D12D, and D12E engines, plus TD122, TD123, marine, and generator set variants. It suits Volvo FH12, FM12, and NH12 trucks, construction equipment, marine propulsion systems, and industrial power equipment. Cross-referenced with Volvo OE numbers 20440388, 20524648, 8113941, 8112517, 8112550, 8112908, 8113151, 8113408, and 8113473, the unit supports efficient sourcing for global distributors.