Item Features: Helps keep drive belt at correct tension to help maintain proper function. Increases tensioner, belt, and accessory component life for long lasting use. Torsional round spring design provides consistent tension. Signs of A Fail Belt Tensioner: Rust bleed and cracks. Pulley bearing wear. Pulley wear. Tensioner assembly misalignment. Tensioner noise. Tensioner arm misalignment. Excessive tensioner arm oscillation. Binding or grinding tensioner arm movement. Loss of spring force. Applications: Please check compatibility notes & description for accurate information. .