This replacement serpentine belt tensioner is just what you need to get your vehicle in good working order again! If you are hearing a whirring noise from the front of your engine or if your belt often screeches you may be in need of a new belt tensioner. This part commonly wears out between 60,000 and 70,000 Miles. If it fails suddenly it can leave you stranded.


  • Brand New Serpentine Belt Tensioner
  • Includes Smooth Pulley
  • Direct replacement
  • Built to strict quality control standards

This tensioner makes a great replacement and has good cost savings over a dealer unit.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

5.0 / 5.0
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I order the parts and receive it the next day. Great job and I will definitely order from A1 Auto again
April 29, 2018
3 months ago
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Vehicle Fit

  • 1993-2005 Lexus GS300 Serpentine Belt Tensioner with Pulley
  • 2001-2005 Lexus IS300 Serpentine Belt Tensioner with Pulley
  • 1992-2000 Lexus SC300 Serpentine Belt Tensioner with Pulley
  • 1993-1998 Toyota Supra Serpentine Belt Tensioner with Pulley

This part replaces:

  • OE # 166200W026
  • OE # 166200W025
  • OE # 166200W024
  • OE # 166200W023
  • OE # 166200W022
  • Gates 38170
Part #: 1AEBT00094