Brake Servo Replacement, part number logic

Skoda Fabia I, 2001 model, Left Hand Drive (LHD) with ABS.

Brake Servo Part Number: 6Q1 614 105 E

So I'm probably looking at a replacement for my brake servo and master cylinder. The master cylinder is a piece of cake to replace, but being in Norway, it is very difficult to get a brake servo in my hands within reasonable time.

I do find parts that are slightly different, though. But I'm too scared to simply buy one with a different part number (used) since it's the braking system we're talking about. Mess with that and you're dead.

There might be different types depending on:

• Disc brakes back or drum?
  
• Petrol or Diesel?
  
• ABS or no ABS?
  
• LHD vs RHD
  
• Of course the car year (model)
  

I know for sure (through comparing on eBay) that LHD and RHD versions differ. The LHD tend to start part numbers with "6Q1" as where RHD's start with "6Q2". The RHD models are mirrored design of the LHD so I can't use them. But I'm sure there's other part numbers that are still compatible with my car.

Here are the ones I've found on the German eBay. And here are the ones on the UK eBay.

Does anybody know what brake servo could replace mine? I'm hunting for the quickest option that is compatible so I can lower my blood pressure while driving...

ps. I'm well aware that I could have posted this in my other topic, but I feel strongly that this is a different matter. The other is obviously a technical fault searching topic.