This work bowl cover with a "half-moon" shaped feedtube is the replacement cover for the more contemporary DLC-2014N Cuisinart Food Processor model with flat buttons across the front. This is the cover that fits on work bowl #943229. The large pusher (sleeve) that fits over the cover and engages the processor is item #943245. The small pusher is item #943242.
If you are unsure whether you have a DLC-2014N model, click here to read about how to identify your model series.