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
  • Includes pulley
  • Replaces dealer part numbers: 12555153, 3539155
  • Direct replacement
  • Built to strict quality control standards

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.

There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!

Vehicle Fit

  • 2006-2008 Buick Lucerne Water Pump Belt Tensioner V8 4.6L (8th Vin Digit Y)
  • 2008-2010 Buick Lucerne Water Pump Belt Tensioner V8 4.6L (8th Vin Digit 9)
  • 2011 Buick Lucerne Water Pump Belt Tensioner V8 4.6L (8th Vin Digit S)
  • 1995 Cadillac Concours Water Pump Belt Tensioner V8 4.6L (8th Vin Digit Y)
  • 1996-1999 Cadillac Concours Water Pump Belt Tensioner V8 4.6L (8th Vin Digit 9)
  • 2006-2010 Cadillac DTS Water Pump Belt Tensioner V8 4.6L (8th Vin Digit 9)
  • 2006-2010 Cadillac DTS Water Pump Belt Tensioner V8 4.6L (8th Vin Digit Y)
  • 2011 Cadillac DTS Water Pump Belt Tensioner V8 4.6L (8th Vin Digit 6)
  • 2011 Cadillac DTS Water Pump Belt Tensioner V8 4.6L (8th Vin Digit S)
  • 1996-2005 Cadillac Deville Water Pump Belt Tensioner V8 4.6L (8th Vin Digit Y)
  • 2000-2005 Cadillac Deville Water Pump Belt Tensioner V8 4.6L (8th Vin Digit 9)
  • 1995-2002 Cadillac Eldorado Water Pump Belt Tensioner V8 4.6L (8th Vin Digit 9)
  • 1995-2002 Cadillac Eldorado Water Pump Belt Tensioner V8 4.6L (8th Vin Digit Y)
  • 1995-1998 Cadillac SLS Water Pump Belt Tensioner V8 4.6L (8th Vin Digit Y)
  • 2001 Cadillac SLS Water Pump Belt Tensioner V8 4.6L (8th Vin Digit Y)
  • 1995-1998 Cadillac STS Water Pump Belt Tensioner V8 4.6L (8th Vin Digit 9)
  • 2001 Cadillac STS Water Pump Belt Tensioner V8 4.6L (8th Vin Digit 9)
  • 1999-2003 Cadillac Seville Water Pump Belt Tensioner V8 4.6L (8th Vin Digit 9)
  • 1999-2004 Cadillac Seville Water Pump Belt Tensioner V8 4.6L (8th Vin Digit Y)
  • 1995-2003 Olds Aurora Water Pump Belt Tensioner V8 4.0L (8th Vin Digit C)
  • 2004-2005 Pontiac Bonneville GXP Water Pump Belt Tensioner V8 4.6L (8th Vin Digit Y)

This part replaces:

  • OE # 3539155
  • OE # 12555153
  • Dorman 419-122
Only 5 left in stock
Part #: 1AEBT00048

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