This GATES V-Ribbed Belt Tensioner, part code T39282, is engineered to maintain the correct tension on your vehicle's V-ribbed belt. Proper belt tension is crucial for the reliable operation of accessories such as the alternator, power steering pump, and air conditioning compressor. By keeping the belt at the ideal tension, this component prevents slippage, which can lead to reduced performance of these essential systems and premature belt wear. The T39282 tensioner is designed for durability and consistent performance, ensuring your accessory drive functions smoothly and efficiently. Invest in the quality of GATES to maintain the integrity of your engine's accessory drive. This tensioner is a key part in preventing noise, vibration, and potential system failures caused by an improperly tensioned belt.