Originally Posted by ah-kay

I am the other way round. I regret buying a MBZ part shipped from Germany instead of URO. The belt tensioner is such a simple design that there is no point to spend more money. It is just a pivot with a bearing inside. The bearing actually never turns, it just pivots. URO part would do fine in the next 20 years. You can also change out the bearings for $8 if you are as adventureous as I was - I did it on another car.

I did not remove the radiator when I changed out the belt tensioner. The only issue is that it is very difficult to push back the dust cover. I broke it so I left it out.