Specifications:

  • Brand New Serpentine Belt & Tensioner Assembly Kit
  • Serpentine belt specifications
    • Rib Number: 6
    • Top Width: 0.807 Inches
    • Effective Length: 93.99 Inches
  • Tensioner assembly includes grooved pulley
  • Direct replacements
  • Built to strict quality control standards

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. Please keep your invoice for proof of this warranty.

  1. step : Removing the Serpentine Belt (0:43)
    • Attach a 15mm socket and ratchet to the serpentine belt tensioner
    • Push the tensioner down to loosen the belt
    • Pull the belt off by hand
    • Release the tensioner
  2. step : Installing the Serpentine Belt (1:07)
    • Familiarize yourself with the route of the serpentine belt
    • Loop the belt around the power steering pulley
    • Hold the belt over the alternator pulley
    • Bring the belt up around the water pump
    • Bring it down around the crank pulley
    • Bring it around the belt tensioner
    • Hold the belt near the idler pulley
    • Attach a 15mm socket and ratchet to the serpentine belt tensioner
    • Push the tensioner down to loosen the belt
    • Push the belt underneath the idler pulley
    • Release the tensioner
    • Check that the belt is routed correctly

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 15mm Socket

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How-to Video:

(02:34 min)

Tools List:

    Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 15mm Socket



This part replaces:

  • OE # 12609719
  • Reference Number 89397
  • Gates 39083

Vehicle Fit

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  • 2009 Chevy Tahoe Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 6.2L for Alternator, Power Steering Pump & Water Pump
  • 2009-2010 GMC Canyon Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 5.3L for Alternator, Power Steering Pump & Water Pump
  • 2009-2011 GMC Savana 1500 Van Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 5.3L for Alternator, Power Steering Pump & Water Pump
  • 2009-2013 GMC Sierra 1500 Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 6.2L for Alternator, Power Steering Pump & Water Pump
  • 2009-2013 GMC Sierra 1500 Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 5.3L for Alternator, Power Steering Pump & Water Pump
  • 2009-2013 GMC Sierra 1500 Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 4.8L for Alternator, Power Steering Pump & Water Pump
  • 2009-2013 GMC Sierra 2500 HD Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 6.0L for Alternator, Power Steering Pump & Water Pump
  • 2009-2013 GMC Sierra 3500 Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 6.0L for Alternator, Power Steering Pump & Water Pump
  • 2011 GMC Sierra Denali 2500 HD Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 6.0L for Alternator, Power Steering Pump & Water Pump
  • 2011 GMC Sierra Denali 3500 HD Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 6.0L for Alternator, Power Steering Pump & Water Pump
  • 2009 GMC Yukon Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 4.8L for Alternator, Power Steering Pump & Water Pump
  • 2009-2013 GMC Yukon Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 6.2L for Alternator, Power Steering Pump & Water Pump
  • 2009-2013 GMC Yukon Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 5.3L for Alternator, Power Steering Pump & Water Pump
  • 2009-2013 GMC Yukon XL 1500 Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 5.3L for Alternator, Power Steering Pump & Water Pump
  • 2009-2013 GMC Yukon XL 2500 Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 6.0L for Alternator, Power Steering Pump & Water Pump
  • 2009 Hummer H2 Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 6.2L for Alternator, Power Steering Pump & Water Pump
  • 2009-2010 Hummer H3 Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 5.3L for Alternator, Power Steering Pump & Water Pump
  • 2009-2010 Hummer H3T Serpentine Belt Tensioner with Pulley & Serpentine Belt V8 5.3L for Alternator, Power Steering Pump & Water Pump
Only 2 left in stock
Part #: 1AEEK00744

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