Diverter stem for Delta single handle tub/shower faucets. Fits model No. 602, 606, 612, 622, 623, 604, 608, 624, 634, 638, 6020, 6060, 601, 605, 611, 621, 635, 641, 607, 613, 623, 637, 643, 601HDF, 605HDF, 611HDF, 621HDF, 635HDF, 641HDF, 603HDF, 607HDF, 623HDF, 637HDF, and 643HDF.