Vintage Pyrex Replacement Coffee Pot Stem & Basket Parts

Up for auction is a Pyrex pump glass stem that measures 7 1/2" tall and a glass basket that measures 2 1/2" wide and 4" across. The bottom of the glass stem says Pyrex and C-Z on it. Not sure if they go together. Possible 9 cup coffee pot. All in great condition. Please email with any questions.