Upgraded your vehicle's performance with the Dayco 89323 Accessory Drive Belt Tensioner Assembly, a premium replacement part designed for a direct fit. It's engineered to ensure a precise fitment, offering reliability and durability for your car's serpentine belt system. This tensioner assembly is suitable for a single pulley setup, featuring a 76mm diameter, 28.7mm width, and 6 grooves, running in a counter-clockwise direction to maintain optimal belt tension. Dayco, a trusted name in automotive components, ensures that this belt tensioner assembly meets stringent quality standards. With a comprehensive range of interchange part numbers including Gates 38009, General Motors 12554701, and NAPA 38260, among others, this bundle includes one genuine Dayco accessory drive belt tensioner assembly, ready to enhance your vehicle's operation..