what do you all think about these? Will they work okay?

[Scarab]

Belt Tensioner Assembly w/Pulley for Buick Regal Pontiac Firebird 3.8L 25525338 | eBay

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this is a belt tensioner for a GN, what are your thoughts? Mine is broken at the bolt.

 

[Jonasterg]

Bought the same one, looks okay so far. My original cracked at the same place, haven't swapped them yet.

If I get around to it in the coming week, I'll update here.