Small Pusher is sold separately. Cuisinart has started making new parts that end with "T" (example: dlc-018bgtxt), those parts are only compatible with other parts that end with "T".
Food processor accessories
For use with : Custom 14 Food Processor - DFP-14BCN, Pro Custom 11 Food Processor - DLC-8S, Custom 14 Food Processor - DFP-14
Assembly part from Cuisinart
Cuisinart DLC-018BGTX (DLC-018BGTX-1) Large Pusher/Sleeve Assembly