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The Mack Fuel Filter manages fuel conditioning as diesel moves from the tank toward the engine’s delivery path. Fuel enters the filter housing early in the supply process, where contaminants are removed before fuel continues downstream. This filtering action happens continuously as fuel demand changes with throttle input. The unit works automatically whenever fuel is drawn forward and does not alter delivery timing or pressure. Clean fuel then proceeds to the injection components for combustion. Used on Mack LR600 vehicles from 2016–2017, the Mack 20972295 supports uninterrupted fuel flow during normal operation.
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