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, not rebuilt or remanufactured
  • Replaces dealer part numbers: 5096525AA. 5096525 AA, 11 22 00 03 70, 1122000370, 11 22 00 09 70, 1122000970
  • Bolts to front of engine
  • Built to strict quality control standards
  • Direct replacement

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

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.

5.0 / 5.0
3 Reviews
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Working great
Fit great and was pre-loaded for release on the serpentine belt.
March 8, 2018
Purchased
2 months ago
serpentine belt tensioner with pulley
installation went well, fit was as original equipment ,only installed this week so far no problem.
February 28, 2017
Purchased
1 year ago
Great product , Fast shipping and perfect fit on my 1998 ML320
March 11, 2018
Purchased
1 month ago
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Vehicle Fit

  • 2004 Chrysler Crossfire Serpentine Belt Tensioner with Pulley
  • 2005-2006 Chrysler Crossfire Serpentine Belt Tensioner with Pulley (excluding Supercharged Models)
  • 2007-2008 Chrysler Crossfire Serpentine Belt Tensioner with Pulley
  • 2001-2005 Mercedes Benz C240 Serpentine Belt Tensioner with Pulley V6 2.6L
  • 1998-2000 Mercedes Benz C280 Serpentine Belt Tensioner with Pulley V6 2.8L
  • 2001-2005 Mercedes Benz C320 Serpentine Belt Tensioner with Pulley V6 3.2L
  • 1998-2000 Mercedes Benz C43 AMG Serpentine Belt Tensioner with Pulley V8 4.3L
  • 2005-2006 Mercedes Benz C55 AMG Serpentine Belt Tensioner with Pulley V8 5.5L
  • 1999-2006 Mercedes Benz CL500 Serpentine Belt Tensioner with Pulley V8 5.0L
  • 2001-2006 Mercedes Benz CL55 AMG Serpentine Belt Tensioner with Pulley V8 5.4L
  • 1998-2005 Mercedes Benz CLK320 Serpentine Belt Tensioner with Pulley V6 3.2L
  • 1999-2003 Mercedes Benz CLK430 Serpentine Belt Tensioner with Pulley V8 4.3L
  • 2003-2006 Mercedes Benz CLK500 Serpentine Belt Tensioner with Pulley V8 5.0L
  • 2001-2006 Mercedes Benz CLK55 AMG Serpentine Belt Tensioner with Pulley V8 5.4L
  • 2006 Mercedes Benz CLS500 Serpentine Belt Tensioner with Pulley V8 5.0L
  • 2006 Mercedes Benz CLS55 AMG Serpentine Belt Tensioner with Pulley V8 5.5L
  • 1998-2004 Mercedes Benz E320 Serpentine Belt Tensioner with Pulley V6 3.2L
  • 2005 Mercedes Benz E320 Serpentine Belt Tensioner with Pulley V6 3.2L (excluding Diesel Engines)
  • 1998-2002 Mercedes Benz E430 Serpentine Belt Tensioner with Pulley V8 4.3L
  • 2003-2006 Mercedes Benz E500 Serpentine Belt Tensioner with Pulley V8 5.0L
  • 1999-2006 Mercedes Benz E55 AMG Serpentine Belt Tensioner with Pulley V8 5.4L
  • 2002-2005 Mercedes Benz G500 Serpentine Belt Tensioner with Pulley V8 5.0L
  • 2003-2004 Mercedes Benz G55 AMG Serpentine Belt Tensioner with Pulley V8 5.4L
  • 2005-2011 Mercedes Benz G55 AMG Lower Serpentine Belt Tensioner with Pulley V8 5.5L
  • 1998-2003 Mercedes Benz ML320 Serpentine Belt Tensioner with Pulley V6 3.2L
  • 2003-2005 Mercedes Benz ML350 Serpentine Belt Tensioner with Pulley V6 3.5L
  • 1999-2001 Mercedes Benz ML430 Serpentine Belt Tensioner with Pulley V8 4.3L
  • 2002-2007 Mercedes Benz ML500 Serpentine Belt Tensioner with Pulley V8 5.0L
  • 2000-2003 Mercedes Benz ML55 AMG Serpentine Belt Tensioner with Pulley V8 5.4L
  • 2006-2007 Mercedes Benz R500 Serpentine Belt Tensioner with Pulley V8 5.0L
  • 2006 Mercedes Benz S350 Serpentine Belt Tensioner with Pulley V6 3.7L
  • 2000-2006 Mercedes Benz S430 Serpentine Belt Tensioner with Pulley V8 4.3L
  • 2000-2006 Mercedes Benz S500 Serpentine Belt Tensioner with Pulley V8 5.0L
  • 2001-2005 Mercedes Benz S55 AMG Serpentine Belt Tensioner with Pulley V8 5.4L
  • 1999-2006 Mercedes Benz SL500 Serpentine Belt Tensioner with Pulley V8 5.0L
  • 2003-2005 Mercedes Benz SL55 AMG Serpentine Belt Tensioner with Pulley V8 5.4L
  • 2001-2004 Mercedes Benz SLK320 Serpentine Belt Tensioner with Pulley V6 3.2L
  • 2005-2010 Mercedes Benz SLK55 AMG Serpentine Belt Tensioner with Pulley V8 5.5L

This part replaces:

  • OE # 5096525AA, 5096525 AA, 1122000370, 1122000970
  • Reference Number 89335
  • Gates 38174
Part #: 1AEBT00035

Ships Same Day for orders placed by 4 P.M. ET