Both pulleys were Koyo which are OEM but I didn't look at the parts until it was time to install. Since they were new, I assumed they would be in like-new condition. The belt was fine and the idler pulley was fine BUT the idler pulley was scarred so badly that I thought it would be better to use the old idler pulley. I felt the holes in the finish with my finger, thinking it might damage the strap. It was late Saturday and I had to finish the car. VERY disappointed in the parts. I'm wondering if I shouldn't buy parts locally where they are easy to replace but a bit more expensive.
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