ACDelco 38172 Professional Automatic Belt Tensioner and Flanged Pulley Assembly

The ACDelco Professional Automatic Belt Tensioner is a premium aftermarket component designed for Accessory Belt Drive Systems (ABDS). It ensures optimal belt tension, alignment, and damping, enhancing performance and longevity. Featuring a patented vibration damping system, this tensioner increases the lifespan of the tensioner, belt, and accessory components. Its torsional round spring design guarantees consistent tension while preventing contamination, making it suitable for domestic, import, and heavy-duty applications. • Ensures proper belt tension, alignment, and damping for superior performance • Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use • Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability • Provides full line coverage for domestic, import, and heavy duty applications