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.

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 (0:58)
    • 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. step : Removing the Idler Pulley (3:06)
    • Remove the 15mm bolt from the idler pulley
    • Remove the pulley
    • Retain the pulley washer for reuse
  3. step : Installing the New Idler Pulley (3:47)
    • 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. step : Inspecting the Serpentine Belt (4:57)
    • Inspect the belt for wear
    • If necessary replace the belt with a new one
  5. step : Installing the Belt (5:24)
    • 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

  • Ratchet
  • 3/8 Inch Drive Ratchet
  • A Piece of Pipe (for leverage)
  • 1/2 Inch Breaker Bar
  • Socket Extensions

  • Sockets - Metric

  • 15mm Socket

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Vehicle Fit

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

This part replaces:

  • OE # 11281433502
  • OE # 12573024
Part #: 1AEIP00017


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:

(07:50 min)