BestKeys 4 Button Remote Keyless Entry Key Shell for Ford Explorer Mercury Empty SHELL ONLY This brand new remote shell case is compatible with select FORD, LINCOLN and MERCURY vehicles. Please check product description below for vehicle fit guide. No electronics are included. This listing is for a plastic shell a rubber pad only. Your original remote must look exactly the same as the remote pictured. It must have the same number of buttons. If your original remote had the battery attached to the pc board then this will not work for you. Compatible with remotes Part Numbers: CWTWBU331, CWTWB1U345, CWTWB1U322, GQ43VT11T, 8S4T-15K601-AA, F8DB-15K601-BA, F87B-15K601-BA