It looks well built. Both pulleys are made of metal. It fits snugly on a 2008 Acura TL. I had to use the old main mounting bolt as the new bolt had a 12mm hex head (the old one had a 14mm hex head). Hope it lasts as long as the OEM. A little advice, before you remove the old assembly, draw a diagram of how to wrap the belt around the pulleys.
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