Did you crack your previous Drake 743 tank lid or looking to replace the tank lid? Buy a replacement tank lid from the Toto company themselves. Toto sells the cover for your Drake toilet at an affordable price on Amazon. Simple, easy check it out. A good practice to find your TOTO tank lid model number is to either look under the lid or look inside the tank on the inside. Another common location to find the Drake 743 tank lid model is on the right hand side of the tank.