Dayco 89647 Drive Belt Tensioner

Dayco Automatic Belt TensionerFeatures: Maintains constant tension on serpentine belt drives Eliminates belt noise and reduces slippage Flat spring design for less operating range variations in tension Prevents premature accessory bearing failure due to high belt tension when a new belt is installed and poor accessory performance caused by low tension after the belt begins to stretch Heavy duty cast aluminum arm offers extra durability and less distortion Lubricated nylon pivot tube bushing and spring bushing for quieter performance PTFE strip wound within the spring for abrasion resistance Coated flat spring to ensure high resistance to rust Zinc-coated mounting bolt that resists rust Heavy duty cast aluminum spring case that resists cracking and fatigue Steel locator pin (where the application demands) Steel pivot tube (where the application demands) which provides additional strength for critical torque requirements Thermoplastic rubber spring slot plug where applicable helps keep out harmful contaminants Rubber O-ring which seals where applicable against dust and grimeDayco No Slack Automatic Belt Tensioners are built to outperform and outlast competitive OE parts. This specific Dayco Automatic Belt Tensioner is manufactured with a specially coated patented flat wire spring to allow the internal tension to be concentric thus providing a more even degree of constant tension. The heavy duty cast aluminum spring case resists cracking and fatigue. Each component is built to resist rust endure the toughest of conditions while promoting quieter performance and longer life. This tensioner contains a metallic locator pin built to withstand extreme drive demands and properly locate the tensioner for installation. This tensioner is another Dayco product proudly made in the USA.

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