Here's why:
* Separate Filter: The fuel filter for the 2001 Cummins is a separate component located outside the fuel tank, usually near the frame rail.
* Function: The lift pump's primary job is to draw fuel from the tank and send it to the fuel filter, which removes any contaminants before the fuel reaches the engine.
Important Note: While the lift pump itself doesn't have a filter, the fuel tank may have a sock filter at the bottom of the tank to prevent larger debris from entering the fuel line. However, this sock filter is not the primary fuel filter for the engine.
