The Skoda Octavia 1Z facelift is built on the Volkswagen PQ35 platform and as such has a lot in common with cars like Audi A3 8P and Volkswagen Golf Mk6. Designed by Peter Wouda and Thomas Ingenlath, the 1Z facelift brought new engines and the 7-speed direct-shift gearbox (DSG) to the range, further strengthening the Octavia’s popularity as a practical family car. It remained in production from 2009 right through to 2013. But the lighting technology used in these cars is more than 15 years old today. 
For the 1Z pre-facelift we don't have replacement options at the moment.
Factory-fitted options included H7/H1 halogen and D1S/H1 single-xenon headlights, both made by Hella.
The halogen version features an H7 projector that produces an average light beam even when new. In many cases, its light output has been further compromised as bulb heat and general ageing cause the reflective layer to peel off. 
The single-xenon setup features a 2.5-inch projector, designed in the late 90s. These projectors are known to lose their reflective layer right to the point where they become black inside, causing dangerously low light output.
Needless to say, buying new or used original headlights for your Skoda Octavia 1Z Facelift is not recommended. But there is fortunately no need for that. Whether your car was factory-fitted with H7/H1 halogen or D1S/H1 single-xenon headlights, there are upgrade kits that will fit inside your existing headlights.
These complete retrofit kits not only provide you with superior brightness and durability; they are also more affordable than average Skoda Octavia xenon headlights with bulbs and ballasts, and since all components are brand new, they come with a 2-year warranty. Additional benefits over OEM headlights include Canbus-proof designs and effortless halogen-to-xenon conversions. What’s more, the levelling systems will work without any adjustments to the headlight connectors, and you can use any ballasts that you might already own to save further on xenon upgrades.
No matter which retrofit upgrade kit you pick, you will improve the light output considerably, making for safer and more enjoyable driving. And, of course, your Skoda Octavia will look awesome with the luxurious bright light of the latest xenon technology.
