Drawers keep falling!

Hi -- I have a ~20 year old dresser and the drawers fall down when you pull them out. The plastic pieces seem beat up/broken and the tracks on the bottom of the drawers are also bent/blown out. We bought the dresser used from someone so we don't have a clue whether this has always been an issue or something that developed overtime. I'm thinking I should replace the track and two plastic pieces in the photos however I would appreciate an expert opinion. -- thanks -- Rick

Thanks Bob? I think these will do the trick, I just ordered four. Thanks again. ? Rick