Replaces

2004-2007 Buick Rainier Serpentine Belt Tensioner Pulley for L6 4.2L (8th Vin Digit S)

This part replaces:

  • OE # 11281433502, 12573024

  • New

This replacement serpentine belt tensioner pulley is just what you need to get your vehicle in good working order again!

Specifications:

  • Steel Construction
  • Outside Diameter: 70mm
  • Width: 27mm
  • Smooth (not grooved)
  • Replaces dealer part numbers: 11 28 1 433 502, 11 28 1 742 858, 11 28 1 745 550, 11 28 7 515 865, 4H23-19A216-DA, 11281433502, 11281742858, 11281745550, 11287515865, 4H2319A216DA, 12573024, 12577655, PQG10008, PQR500140, 9512086Z00, 9516085Z01
  • Direct replacement
  • Includes bearing

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 pulley or idler pulley. The tensioner pulley is typically used to redirect the serpentine belt, or help to apply tension against the belt tensioner.

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. Removing the Serpentine Belt (0:58 in the video)
    • Familiarize yourself with the route of the serpentine belt
    • With the 3/8 inch drive ratchet turn the belt tensioner clockwise to loosen the belt
    • Remove the belt
  2. Removing the Idler Pulley (3:06 in the video)
    • Remove the 15mm bolt from the idler pulley
    • Remove the pulley
    • Retain the pulley washer for reuse
  3. Installing the New Idler Pulley (3:47 in the video)
    • Thread the bolt through the washer and pulley
    • Put the pulley into place
    • Start the bolt by hand
    • Tighten the bolt with the socket, while making sure the washer is in place
  4. Inspecting the Serpentine Belt (4:57 in the video)
    • Inspect the belt for wear
    • If necessary replace the belt with a new one
  5. Installing the Belt (5:24 in the video)
    • Loop the belt around the crank pulley
    • Bring it over the water pump
    • Bring it around the A/C pulley
    • Bring it around the idler pulley
    • Bring it around the tensioner pulley
    • Bring it around the power steering pulley
    • Turn the tensioner with the 3/8inch drive ratchet and a breaker bar or pipe for leverage
    • Pull the belt around the alternator
    • Release the tensioner to tighten the belt
    • Check that the belt is routed correctly

Tools needed for replacement:

    Ratchets & Related

  • 3/8 inch drive ratchet
  • Breaker Bar
  • Ratchet
  • Socket Extensions

  • Sockets - Metric

  • 15mm Socket

  • Specialty Tools

  • A Piece of Pipe (for leverage)

How-to Video:

(07:50 min)

Tools List:

    Ratchets & Related

  • 3/8 inch drive ratchet
  • Breaker Bar
  • Ratchet
  • Socket Extensions

  • Sockets - Metric

  • 15mm Socket

  • Specialty Tools

  • A Piece of Pipe (for leverage)



This part replaces:

  • OE # 11281433502, 12573024

Vehicle Fit

  • 2008 Buick Enclave Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2009 Buick Enclave Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit D)
  • 2005-2008 Buick LaCrosse Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2004-2007 Buick Rainier Serpentine Belt Tensioner Pulley for L6 4.2L (8th Vin Digit S)
  • 2004-2006 Buick Rendezvous Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2004-2009 Cadillac CTS Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2005-2007 Cadillac CTS Serpentine Belt Tensioner Pulley for V6 2.8L (8th Vin Digit T)
  • 2008-2009 Cadillac CTS Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit V)
  • 2004-2009 Cadillac SRX Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2005-2007 Cadillac STS Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2008-2009 Cadillac STS Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit V)
  • 2004-2006 Chevy Colorado Serpentine Belt Tensioner Pulley for L5 3.5L (8th Vin Digit 6)
  • 2004-2006 Chevy Colorado Serpentine Belt Tensioner Pulley for L4 2.8L (8th Vin Digit 8)
  • 2007-2009 Chevy Colorado Serpentine Belt Tensioner Pulley for L5 3.7L (8th Vin Digit E)
  • 2007-2009 Chevy Colorado Serpentine Belt Tensioner Pulley for L4 2.9L (8th Vin Digit 9)
  • 2008-2009 Chevy Equinox Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2008-2009 Chevy Malibu Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2002-2009 Chevy Trailblazer Serpentine Belt Tensioner Pulley for L6 4.2L (8th Vin Digit S)
  • 2009 Chevy Traverse Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit D)
  • 2003 Dodge Sprinter Van 2500Serpentine Belt Tensioner Pulley for L5 2.7L Turbo Diesel (8th Vin Digit 2)
  • 2003 Dodge Sprinter Van 2500Serpentine Belt Tensioner Pulley for L5 2.7L Turbo Diesel (8th Vin Digit 1)
  • 2003 Dodge Sprinter Van 3500Serpentine Belt Tensioner Pulley for L5 2.7L Turbo Diesel (8th Vin Digit 1)
  • 2003 Dodge Sprinter Van 3500Serpentine Belt Tensioner Pulley for L5 2.7L Turbo Diesel (8th Vin Digit 2)
  • 2004-2006 Dodge Sprinter Van 2500Serpentine Belt Tensioner Pulley for L5 2.7L Turbo Diesel (8th Vin Digit 4)
  • 2004-2005 Dodge Sprinter Van 3500Serpentine Belt Tensioner Pulley for L5 2.7L Turbo Diesel (8th Vin Digit 4)
  • 2007-2008 GMC Acadia Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2009 GMC Acadia Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit D)
  • 2004-2006 GMC Canyon Serpentine Belt Tensioner Pulley for L4 2.8L (8th Vin Digit 8)
  • 2004-2006 GMC Canyon Serpentine Belt Tensioner Pulley for L5 3.5L (8th Vin Digit 6)
  • 2007-2009 GMC Canyon Serpentine Belt Tensioner Pulley for L5 3.7L (8th Vin Digit E)
  • 2007-2009 GMC Canyon Serpentine Belt Tensioner Pulley for L4 2.9L (8th Vin Digit 9)
  • 2002-2009 GMC Envoy Serpentine Belt Tensioner Pulley for L6 4.2L (8th Vin Digit S)
  • 2006 Hummer H3 Serpentine Belt Tensioner Pulley for L5 3.5L (8th Vin Digit 6)
  • 2007-2009 Hummer H3 Serpentine Belt Tensioner Pulley for L5 3.7L (8th Vin Digit E)
  • 2009 Hummer H3T Serpentine Belt Tensioner Pulley for L5 3.7L (8th Vin Digit E)
  • 2003-2008 Isuzu Ascender Serpentine Belt Tensioner Pulley for L6 4.2L (8th Vin Digit S)
  • 2006 Isuzu i-280 Serpentine Belt Tensioner Pulley for L4 2.8L (8th Vin Digit 8)
  • 2007 Isuzu i-290 Serpentine Belt Tensioner Pulley for L4 2.9L (8th Vin Digit 9)
  • 2008 Isuzu i-290 Serpentine Belt Tensioner Pulley for L4 2.8L (8th Vin Digit 9)
  • 2006 Isuzu i-350 Serpentine Belt Tensioner Pulley for L5 3.5L (8th Vin Digit 6)
  • 2007-2008 Isuzu i-370 Serpentine Belt Tensioner Pulley for L5 3.7L (8th Vin Digit E)
  • 2007-2009 Nissan Sentra Serpentine Belt Tensioner Pulley for L4 2.0L
  • 2008-2009 Nissan Versa Serpentine Belt Tensioner Pulley for L4 1.8L
  • 2002-2004 Olds Bravada Serpentine Belt Tensioner Pulley for L6 4.2L (8th Vin Digit S)
  • 2007-2009 Pontiac G6 Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2008-2009 Pontiac Torrent Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2006-2008 Saab 9-3 Serpentine Belt Tensioner Pulley for V6 2.8L Turbo
  • 2005-2008 Saab 9-7X Serpentine Belt Tensioner Pulley for L6 4.2L (8th Vin Digit S)
  • 2007-2009 Saturn Aura Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2007-2008 Saturn Outlook Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
  • 2008-2009 Saturn Vue Serpentine Belt Tensioner Pulley for V6 3.6L (8th Vin Digit 7)
$40.45
Save 63%
List: $108.24 Save: $67.79
Part #: 1AEIP00017

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