Description
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How-To & Tools
Product Reviews
Q&A
Vehicle Fit

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.

Specifications:

  • Brand New Serpentine Belt Tensioner
  • Includes pulley
  • Replaces dealer part numbers: 12573024, 24576885, 8125730240
  • Direct replacement
  • Built to strict quality control standards

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

Item Condition: New

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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.

  1. step : Removing the Serpentine Belt (0:54)
    • Insert the 3/8 inch drive ratchet into the tensioner
    • Turn the tensioner clockwise to loosen the belt
    • Pull the belt off by hand
    • Release the tensioner
  2. step : Removing the Belt Tensioner (2:23)
    • Remove the 15mm bolt from the tensioner
    • Pull off the tensioner
  3. step : Installing the Belt Tensioner (3:03)
    • Thread a 15mm bolt through the tensioner
    • Put the tensioner into place using the locating tab
    • Tighten the 15mm bolt to 35 - 40 foot-pounds of torque
  4. step : Installing the Belt (4:27)
    • Familiarize yourself with the belt routing diagram
    • Thread the belt past the tensioner
    • Loop the belt around the crank pulley
    • Bring it around the fan pulley
    • Bring it around the A/C Pulley
    • Bring it around the idler pulley
    • Bring it around the idler pulley
    • Insert the 3/8 inch drive ratchet into the tensioner
    • Pull the tensioner clockwise with the 3/8 inch ratchet
    • Pull the belt tight over the power steering pulley
    • Release the tensioner
    • Check that the belt is routed correctly

Tools needed for replacement:

    Ratchets & Related

  • 3/8 Inch Drive Ratchet
  • A Piece of Pipe (for leverage)
  • Ratchet
  • Swivel
  • Torque Wrench

  • Sockets - Metric

  • 15mm Socket

  • Wrenches - Metric

  • 15mm Wrench

4.50/ 5.0
4 reviews
5 Stars
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1 Star
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Wrong Belt
the belt was too big, it makes a lot of noises.. I had to order another from GM
January 22, 2017
Going strong
I replaced this tensioner and the serpentine belt 10,000 miles ago and both are doing fine. Good quality for the price.
January 12, 2018
Very Pleased
I am impressed with the timely manner the price and when I received the part I will be ordering from here again. Steve
April 15, 2018
Repair
Quick ship. Easy installation thanks to the video! Fits perfect and took care of that annoying Noise under the hood. THANKS.
April 21, 2018
Will this fit my car? Add a vehicle to make sure
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Year Make Model Description
2004-2007Buick Rainier Buick Rainier Serpentine Belt Tensioner with Pulley L6 4.2L
2004-2006Chevy Colorado Chevy Colorado Serpentine Belt Tensioner with Pulley
2007-2012Chevy Colorado Chevy Colorado Serpentine Belt Tensioner with Pulley L5 3.7L
2007-2012Chevy Colorado Chevy Colorado Serpentine Belt Tensioner with Pulley L4 2.9L
2002-2009Chevy Trailblazer Chevy Trailblazer Serpentine Belt Tensioner with Pulley L6 4.2L
2004-2006GMC Canyon GMC Canyon Serpentine Belt Tensioner with Pulley
2007-2012GMC Canyon GMC Canyon Serpentine Belt Tensioner with Pulley L5 3.7L
2007-2012GMC Canyon GMC Canyon Serpentine Belt Tensioner with Pulley L4 2.9L
2002-2009GMC Envoy GMC Envoy Serpentine Belt Tensioner with Pulley L6 4.2L
2006Hummer H3 Hummer H3 Serpentine Belt Tensioner with Pulley L5 3.5L
2007-2010Hummer H3 Hummer H3 Serpentine Belt Tensioner with Pulley L5 3.7L
2009-2010Hummer H3T Hummer H3T Serpentine Belt Tensioner with Pulley L5 3.7L
2003-2008Isuzu Ascender Isuzu Ascender Serpentine Belt Tensioner with Pulley L6 4.2L
2006Isuzu i-280 Isuzu i-280 Serpentine Belt Tensioner with Pulley
2007-2008Isuzu i-290 Isuzu i-290 Serpentine Belt Tensioner with Pulley
2006Isuzu i-350 Isuzu i-350 Serpentine Belt Tensioner with Pulley
2007-2008Isuzu i-370 Isuzu i-370 Serpentine Belt Tensioner with Pulley
2002-2004Oldsmobile Bravada Olds Bravada Serpentine Belt Tensioner with Pulley
2005-2009Saab 9-7X Saab 9-7X Serpentine Belt Tensioner with Pulley L6 4.2L
Part #: 1AEBT00069


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(06:32 min)