Craftsman Tiller Idler Pulley 684-04168 Genuine OEM Replacement Fits Craftsman MTD Troybilt Ace Kmart. This is a Genuine OEM Craftsman part. This idler pulley (part number 684-04168) is for tillers. Idler pulley 684-04168 applies tension to the belt, allowing the belt to turn. Wear work gloves to protect your hands when installing this part. Also fits... - Craftsman Tiller Idler Pulley 684-04168 Genuine OEM Replacement Fits Craftsman MTD Troybilt Ace Kmart.
