Ford Focus Mondeo Fiesta Ka Remote Key Case & Blade 3 Button FO21 is listed as an auto-part option. Confirm fitment, part number and compatibility before purchase, especially where vehicle-specific matching is required.
this part is a replacement key case designed for certain Ford models including Focus, Mondeo, Fiesta, and Ka. This part functions as the outer housing for your car’s remote key, protecting the internal circuit board and battery while allowing you to operate the vehicle’s central locking and immobilizer system via the integrated buttons.
This listing features a 3-button configuration which typically corresponds to lock, unlock, and trunk release functions. The attached FO21 blade is cut to fit Ford locks that accept this key style, making it suitable for buyers looking to replace a damaged or worn key shell without reprogramming the electronics inside. When purchasing, compare your existing key blade type and button layout to ensure compatibility.
Key cases like this one are vital in maintaining reliable remote key operation and vehicle security. If your current remote key housing is cracked, broken, or shows excessive wear, this replacement unit can restore proper handling and tactile feedback. Buyers who require a matching remote key case for the Ford Focus, Mondeo, Fiesta, or Ka series should verify the FO21 blade type and 3-button design as a starting point.
- Designed for Ford Focus, Mondeo, Fiesta, and Ka models
- Includes FO21 blade cut style for Ford locks
- 3-button remote key case for essential locking functions
- Protects internal remote electronics from damage
If unsure about the key blade or button configuration, consider consulting the Sales Desk or submitting a Request a Part for tailored assistance.
Need help matching this item to your vehicle? Use more KEYS, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.





