tensioner looked like new and was 'good', who knows why it was 'used'? Oh, and of course it was significantly "cheaper". An exact replacement for my old one which was noisy. advice to you all. Listen to all the pulleys and elements driven by the belts to find out what's good and what's bad with a simple, inexpensive stethoscope! Thank you Revain and all your suppliers for good products and great prices! Watch the video on YouTube for helpful tips on replacing this part!