The Dayco 89363 Automatic Belt Tensioner - Main Drive is designed and built to outperform other aftermarket belt tensioners on the market. This Belt Tensioner is constructed with a flat wire spring that allows the internal tension to be concentric to deliver constant tension. The patented Deflected Arm Plate decreases arm movement, extending the life of the tensioner by restricting the amount of rotational movement. Maintain factory function in your vehicle with Dayco products from XDP. The spring case is made from heavy-duty cast aluminum to resist cracking and rust while delivering quieter performance and longer service life. This tensioner has a locator pin built to withstand the maximum drive demands and correctly locate the tensioner for installation.
Features:
- Built To Meet or Exceed OE Specs
- Deflected Arm Plate Extends Tensioner Life
- Heavy-Duty Cast Aluminum Spring Case
- Rust Resistant Zinc-Coated Mounting Bolts
Note:
Only fits models with Dual Alternators.