Tank Lid American Standard Cadet, Glenwall & Yorkville F4049 , 4049 - WHITE

For COLORS - Click Here. Toilet tank cover lid American Standard Cadet, Glenwall & Yorkville White. F4049, 1962 - 1969. 4049,  1970 - 1982. Tip: The stampings for this number can misread as 4048. There is no model of that number. 20-7/8" x 8-1/4". 5 Gallons Per Flush. Save 3/4 gallon per flush, Click Here. From 1962 to 1969, there was an "F" prefix. It doesn't mean anything.  A date code will usually appear for the year of production such as C72 which is 1972.  M, S or T date codes: From 1976 to 1982, some date codes have an M, S or T such as M80.  These tanks are 1/4" wider.  The inside of the lip on the bottom of the tank lid is 1/4" wider.  The outside of the lid is the same as non-MST lids.  Hence, if your tank has an M, S, or T date code, it is wise to order an M, S or T tank lid. Estimated shipping is $27.00. Caution: Broken porcelain is sharp and dangerous.