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The Dayco automatic belt tensioner features Dayco's original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage - or poor performance caused by low tension. Compatible with Seneca Products.
The Dayco Serpentine Automatic Belt Tensioner is designed to provide reliable performance and long life. This tensioner features a heavy duty cast aluminum spring case and arm to help resist cracking and fatigue, as well as thermoplastic rubber spring slot plugs and rubber O-ring seals to help keep contaminants out. Additionally, this tensioner has a steel pivot tube on specific designs for enhanced stability. Compatible with Seneca Products.