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 Grooved Pulley
  • Mounts to water pump
  • Replaces dealer part number: 12609719
  • 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

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 (0:25)
    • Familiarize yourself with the route of the serpentine belt
    • Insert the 15mm socket and breaker bar onto the tensioner
    • Turn the tensioner clockwise to loosen the belt
    • Pull the belt off the alternator
    • Release the tensioner
    • Pull the belt off by hand
  2. step : Removing the Serpentine Belt Tensioner (1:42)
    • Remove the two 15mm bolts from the tensioner
    • Remove the tensioner
  3. step : Installing the Serpentine Belt Tensioner (2:55)
    • Insert the tensioner into place
    • Hand-tighten the 15mm bolts
    • Preliminarily tighten the bolts with a socket and ratchet
    • Torque the bolts to 37 foot-pounds
  4. step : Installing the Serpentine Belt (3:55)
    • Loop the belt under the idler pulley
    • Pull the belt over the alternator
    • Bring it around the power steering pulley
    • Bring it around the idler pulley
    • Bring it around the water pump
    • Bring it around the crank pulley
    • Pull the tensioner clockwise with the 15mm socket and breaker bar
    • Feed the belt over the tensioner
    • Release the tensioner

Tools needed for replacement:

    Ratchets & Related

  • Torque Wrench
  • 1/2 Inch Breaker Bar

  • Sockets - Metric

  • 15mm Socket

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Vehicle Fit

Year Make Model Description
2009-2013Cadillac Escalade Cadillac Escalade Serpentine Belt Tensioner with Pulley V8 6.2L
2009-2013Cadillac Escalade ESV Cadillac Escalade ESV Serpentine Belt Tensioner with Pulley V8 6.2L
2009-2013Cadillac Escalade EXT Cadillac Escalade EXT Serpentine Belt Tensioner with Pulley V8 6.2L
2009-2013Chevy Avalanche Chevy Avalanche Serpentine Belt Tensioner with Pulley V8 5.3L
2009Chevy Avalanche Chevy Avalanche Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2012Chevy Colorado Chevy Colorado Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2013Chevy Express 1500 Van Chevy Express 1500 Van Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2013Chevy Express 2500 Van Chevy Express 2500 Van Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013Chevy Express 2500 Van Chevy Express 2500 Van Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013Chevy Express 3500 Van Chevy Express 3500 Van Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013Chevy Express 3500 Van Chevy Express 3500 Van Serpentine Belt Tensioner with Pulley V8 4.8L
2009-2013Chevy Silverado 1500 Chevy Silverado 1500 Serpentine Belt Tensioner with Pulley V8 6.2L
2009-2013Chevy Silverado 1500 Chevy Silverado 1500 Serpentine Belt Tensioner with Pulley V8 4.8L
2009-2013Chevy Silverado 1500 Chevy Silverado 1500 Serpentine Belt Tensioner with Pulley V8 5.3L
2009Chevy Silverado 1500 Chevy Silverado 1500 Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013Chevy Silverado 2500 HD Chevy Silverado 2500 HD Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013Chevy Silverado 3500 HD Chevy Silverado 3500 HD Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013Chevy Suburban 1500 Chevy Suburban 1500 Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2013Chevy Suburban 2500 Chevy Suburban 2500 Serpentine Belt Tensioner with Pulley V8 6.0L
2009Chevy Tahoe Chevy Tahoe Serpentine Belt Tensioner with Pulley V8 4.8L
2009Chevy Tahoe Chevy Tahoe Serpentine Belt Tensioner with Pulley V8 6.2L
2009-2013Chevy Tahoe Chevy Tahoe Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2012GMC Canyon GMC Canyon Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2013GMC Savana 1500 Van GMC Savana 1500 Van Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2013GMC Savana 2500 Van GMC Savana 2500 Van Serpentine Belt Tensioner with Pulley V8 4.8L
2009-2013GMC Savana 2500 Van GMC Savana 2500 Van Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013GMC Savana 3500 Van GMC Savana 3500 Van Serpentine Belt Tensioner with Pulley V8 4.8L
2009-2013GMC Savana 3500 Van GMC Savana 3500 Van Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013GMC Sierra 1500 GMC Sierra 1500 Serpentine Belt Tensioner with Pulley V8 4.8L
2009-2013GMC Sierra 1500 GMC Sierra 1500 Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2013GMC Sierra 1500 GMC Sierra 1500 Serpentine Belt Tensioner with Pulley V8 6.2L
2009-2013GMC Sierra 2500 HD GMC Sierra 2500 HD Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013GMC Sierra 3500 HD GMC Sierra 3500 HD Serpentine Belt Tensioner with Pulley V8 6.0L
2009-2013GMC Yukon GMC Yukon Serpentine Belt Tensioner with Pulley V8 6.2L
2009GMC Yukon GMC Yukon Serpentine Belt Tensioner with Pulley V8 4.8L
2009-2013GMC Yukon GMC Yukon Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2013GMC Yukon XL 1500 GMC Yukon XL 1500 Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2013GMC Yukon XL 2500 GMC Yukon XL 2500 Serpentine Belt Tensioner with Pulley V8 6.0L
2009Hummer H2 Hummer H2 Serpentine Belt Tensioner with Pulley V8 6.2L
2009-2010Hummer H3 Hummer H3 Serpentine Belt Tensioner with Pulley V8 5.3L
2009-2010Hummer H3T Hummer H3T Serpentine Belt Tensioner with Pulley V8 5.3L

This part replaces:

  • Reference Number 89397
  • Gates 39083
  • OE # 12609719
Only 1 left in stock
Part #: 1AEBT00090


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:

(05:59 min)