Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability Product Description : ACDelco Gold (Professional) 90 Degree Molded Accessory Drive Belt Tensioner Assemblies are the high quality alternative to Original Equipment (OE) parts. These 90 degree molded belt tensioner assemblies are very important in optimal operation of the accessory belt drive system The ACDelco Professional, premium aftermarket Automatic Belt Tensioner is designed for Accessory Belt Drive Systems (ABDS) that require an automatic belt tensioner. Pièce Auto Qualité OEM Courroie De Distribution ACDelco (réf. 38160) - Pour Une Tension Optimale Et Une Longue Durée De Vie Tendeur Courroie Amortissement Professional Grade Tensioner ACDelco 39273 Professional Automatic And Pulley Assembly, s - Canada Belt Tensioner Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use Get the Best Performance with ACDelco Automatic Belt (B) 38413 parts at . Shop Now at the Guaranteed Lowest Price This premium aftermarket replacement automatic belt tensioner is manufactured to meet your expectations for fit, form, and function. It ensures proper belt tension, alignment, and damping for superior performance and provides full line coverage for domestic, import, and heavy duty applications.