Delivery Valve 131160-5320 39A Professionnel

The Delivery Valve 131160-5320 39A is a critical component installed inside a diesel fuel injection pump, positioned between the pump plunger chamber and the high-pressure fuel line. Its primary function is to precisely control fuel discharge after pressurization. When the pump plunger compresses the fuel to a specified pressure, the delivery valve opens automatically, allowing high-pressure fuel to flow toward the injector. Once the plunger completes its stroke and pressure drops, the valve closes instantly to prevent fuel backflow, ensuring accurate injection timing and stable pressure retention within the fuel line.

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