Briggs 4930 BII Toilet Tank Lid (7421) WHITE Fits many tank models listed below
This is for one Briggs 4930 BII tank lid. 19 5/8 x 8 1/2 ouitside to outside. Your tank should be approx. 19 x 7 3/4. As long as you have a 7421 tank lid, you do not need to worry about all the suffixes, all the 7421 lid versions interchange.