EN | Bosch Unit pump system and unit injector system

Robust quality for efficient consumption
The unit pump injection system (UPS) injects the fuel mixture into the engine cylinder. It consists of an electronically controlled unit pump and nozzle holder assemblies connected via a precisely adapted high-pressure line. The unit injector system (UIS) is a nozzle holder assembly with integrated high-pressure pump.
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This video in German: • DE | Bosch Unit-Pump-S...