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ACDelco Gold Drive Belt Tensioner Assembly with Pulley
Gold
Pack of 1

ACDelco Gold Drive Belt Tensioner Assembly with Pulley

GM Part #89034218

ACDelco Part #38177

MSRP$179.48*

ACDelco Gold (Professional) 90 Degree Molded Accessory Drive Belt Tensioner Assemblies are the high quality alternative to Original Equipment (OE) parts.

  • Designed to keep drive belt at proper tension
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part

Pack of 1

About this product

ACDelco Gold (Professional) 90 Degree Molded Accessory Drive Belt Tensioner Assemblies are the high quality alternative to Original Equipment (OE) parts. These 90 degree molded belt tensioner assemblies are very important in optimal operation of the accessory belt drive system. The tensioner maintains the correct amount of tension on the belt throughout operation. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

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  • Designed to keep drive belt at proper tension
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

MaterialSteel
Belt TypeSerpentine
ClassificationGold
ColorAluminum w/ Black Pulley

Limited Lifetime Warranty (Parts Only). Please see ACDelco.com for more details

Please visit our warranty page on Gmparts.com for full warranty details.

Good Maintenance Practices:

  • Before purchasing and installing a 90 degree molded accessory drive belt tensioner assembly, make sure it is the correct fit for your vehicle
  • Be sure to have replacement tensioner properly aligned to the other drive component pulleys
  • Regularly check drive belt tension
  • Regularly inspect the 90 degree molded accessory drive belt tensioner assemblies for signs of damage or wear, and replace them if signs of damage are found

Signs of wear for a 90 degree molded accessory drive belt tensioner assembly include but are not limited to:

  • Tensioner pulley worn or cracked
  • Drive belt squeals
  • Tensioner misalignment

ModelBody StyleTrimYear(s)
LaCrosse2011
Regal2012, 2013, 2014, 2015, 2016, 2017
Verano2012, 2013, 2014, 2015, 2016, 2017

Frequently Asked Questions

Yes, always consult the Vehicle Owner’s manual or an expert technician before making any repairs or adjustments.

Yes, if too tight damage to other drive components may occur.

It is best to replace the tensioner assembly if a problem occurs.