Dayco 89257 Automatic Serpentine Belt Tensioner

The Dayco 89257 Automatic Belt Tensioner from is a high-quality option to restore tension on your serpentine belt. Each tensioner is built with the patented Deflected Arm Plate to extend tensioner life by decreasing rotational movement. The built-in locator pin allows for an easier installation and is built to withstand the harshest driving conditions. Maintain factory function in your vehicle with Dayco products from. This Belt Tensioner is constructed with a flat wire spring that allows the internal tension to be concentric to deliver constant tension. The spring case is made from heavy-duty cast aluminum to resist cracking and rust while delivering quieter performance and longer service life.

Features

• Manufactured to OE Requirements
• Deflected Arm Plate Decreases Rotational Movement
• Durable Cast Aluminum Case
• Rust Resistant Zinc-Coated Mounting Bolts