Broken drawer guides

During a recent move, the movers broke several of the plastic drawer guides on a dresser made by American Drew in the Cherry Grove 541 Harrington collection. I am trying to find replacements. They measure 1 and 7/8 by 1 and 1/2 inches and are brown plastic with three holes although it appears each only has two screws in it. The slide on a metal track that is 7/8 inch wide with a brown plastic insert at the front end. I am attaching a picture of the plastic guide and the track. Can you help me!
Bill

Tom,
That does look like the right part! I just placed an order. Thanks for your help.
Bill