Dayco 89043 No Clack Idler Tensioner Pulley is a 70mm diameter belt idler with a flat flange and dual ID bearings, built for smooth, reliable belt guidance. It functions as the idler in tensioner assemblies, helping maintain proper belt tension and alignment in drive systems. With Dayco’s No Clack designation, this pulley is designed for use in compatible installations requiring a flat-flange, dual-bearing idler tensioner component.
