QualityKeylessPlus Replacement Keyless Entry 4 Button Case and Pad for Porsche FCC ID KR55WK50138 No programming needed! Blade must be cut by a locksmith or dealer. Free key tag service with every purchase! (See details below) Simple fix for damaged cases, just transfer over your electronics and battery! This case is compatible with remotes that have FCC ID KR55WK50138 and 4 buttons.