Description Has Rubber Ring, 1-3/4" Round ID. Fits 1590, 1900, 2100, 2200, 3900 and 4900 Series. Will Replace 1927-11-0 and 40-174. This item is a suitable alternative for the following: 321-CDS209TTR6P, 1927-11-0, 1927, GW209PPB22, GW209PPB22BR, 40-119, 40-174, 40119