Here is the brief introduction about our product: Composition: Electric motor, Pressure suppressor, Check valve Principle: Centrifugal force Quantity provided: 1 Piece Replace: Direct Replacement More details of the item please see the pictures in the gallery. The methods for you to judge whether to replace the pump or not: 1.Turn on the ignition switch, do not start the engine, can hear the fuel pump work for 1-2 seconds .
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