Accessory Drive Belt Tensioner Assembly. Roller. Serpentine Tensioner.
Assembled device that applies load to the Drive Belt.
Fits A6, allroad, RS4, S4
4.2 LITER. 4.2 LITER, 2005-06. 4.2 LITER, A4/S4. Cabriolet S4. S4; 4.2L.
Drive Belt Tensioner - Repair or Replace
A squeaking or squealing noise from your engine bay is usually due to a loose drive belt. Consider replacing the drive belt tensioner on your .