Dayco 89046 No Slack Idler Tensioner Pulley—70mm flat pulley with flange and dual ID bearing—is designed to maintain belt tension in a drive system. It functions as an idler tensioner to guide the belt along a flat path while the flange provides lateral support. Key specifications include a 70mm pulley diameter, flat profile, flange, and dual ID bearings, all associated with Dayco part number 89046.
