i think you are talking about this idle pully ,,,,,,,, this one is also of 2C ,,,,,,, i dont think it is original ,,,,,,, 13503-64021 this is the part number and both look very different ,,,,,, this one is having a 6301 NSK bearing sandwich between 2 layers of pulleys ,,,,,riveted together ,,,,,, original one has bigger bearing then 6301 ,,,,,,,,batter try to find the original ,,,,,,,,,