QualityKeylessPlus Replacement Keyless Entry Flip Top for Mazda Switch Blade Remote High quality replacement flip top. Must be programmed and cut by locksmith or dealer. Free key tag service with every purchase! (See details below) Simple fix for damaged tops, just transfer over the bottom portion of the remote! This top is compatible with remotes that have FCC ID BGBX1T478SKE12501, KPU41788, or 5WK43451E.