Toto ST454 9 Tab Version Left handed They are interchangeable

They are interchangeable

Manufacturer: TOTOLid P/N: ST454 (version with 9 tabs on the underside of the tank lidLid Size: 16

New Lid P/N: 84406

Lid P/N: N7747

which is linked below under related items

Toto ST454 9 Tab Version Left handed They are interchangeableManufacturer: TOTOLid P N: TCU454 or ST454 (version with 9 tabs on the underside of the tank lid)Lid Size: 16. 5" x 8. 5"Toilet Name: Drake IITank P N: ST454Tank Size: 16. 5" x 8. 5" This tank lid has been revised by Toto. There are two versions. You can identify the differences either by counting the number of tabs on the underside of your lid (5 vs 9) or by measuring. The difference is only 1 8" in both directions so it is important to measure