THESE HIGH QUALITY ULTRA BULBS WILL FITn - FORD FOCUS MK I 2001 - 2004FORD FOCUS MK II 2004 - 2011FORD FOCUS MK III 2011 - 2014FORD FOCUS MK III 2015 - 2018FORD FOCUS MK III WITH LED DRL 2015 - 2018FORD FOCUS MK IV 2018 onwardsnn - Technical Details - Ultra Power Bulbs - These are a brighter whiter light instead of the standard yellow halogen bulbs.nn - These bulbs - Ultra Power Bulbs are filled with Xenon gas which burns producing an intense bright white light. They come as a complete pair and are simple to fit, as they are a replacement to your original bulbs. They are brighter than standard bulbs which makes them the brighted road legal bulbs available without a xenon pack Xenon HID packs have to be drilled and fitted into your cars bonnet.