Z18 & 5th Gen Idler Pulley
Idler pulley going out on your MakerBot Replicator Z18, 5th Gen or Mini? If you’re hearing a clicking/grinding sound coming from the top of your 3D printer and it’s not caused by the Smart Extruder, then you have an idler pulley that is going out or gone.
This is an exact replacement to the existing idler pulley.
1x = Idler Pulley