HOW DOES THE THE OHIO LEMON LAW APPLY TO WARRANTIES?
"Any" express warranty usually means those in writing from the manufacturer or dealer. Dillow v. Mallard Coach Co., 83 Ohio App. 3d 801, 615 N.E.2d 1076 (4th Dist. Lawrence County 1992).
You can also sue the "assembler" under the Lemon Law, even if the part is under a separate warranty (e.g. a Firestone tire on a Ford Explorer). Id.