Cant remember if your sig has your location or not.
TBH, I live in Spain, firstly mu car (79 CJ7) was never officially sold here or allowed here for that matter as it was the time of Franco.
As such none of the official Jeep Dealers carry parts for my car, none at all.
My personal experience is, that parts in the US are at least ten to twelve times cheaper than I pay in europe. however once I add shipping on, the price tends to be the same
however there are a few distributors in Germany, in the UK there are also quite a few, and cheap with it, you just have to look a bit smarter.
For instance may parents were comign to visit me, so I week before they came, i looked on Google for american car part dealer in the UK, after 10 minutes of looking I found a dealer 10 minutes by car from my parents, rang up the shop, paid for it by credit card, and then phones my parents to pick it up and bring it over.
It was only a fuel guage, paid about €25 euros for it all in, here is spain they wanted €78