Dayco 89317 | Accessory Drive Belt Tensioner Assembly

Part Number
Accessory Drive Belt Tensioner Assembly

Fits: 95-05 Cadillac DeVille, 95-02 Cadillac Eldorado, 95-04 Cadillac Seville, 95-99 Oldsmobile Aurora, 01-03 Oldsmobile Aurora, 04-05 Pontiac Bonneville, 06-11 Buick Lucerne, 06-11 Cadillac DTS

Special Price $50.14 Regular Price $58.99
In stock
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Estimated Ship Date: 1 Business Day or Less
Dayco® No Slack® Automatic Belt Tensioners are built to outperform and outlast competitive OE parts. The heavy duty cast aluminum spring case resists cracking and fatigue. Each component is built to resist rust, endure the toughest of conditions while promoting quieter performance and longer life.

BRAND: Dayco




Belt TypeSerpentine
DirectionClock Wise
Number of Pulleys1
Pulley 1 Diameter51.9
Pulley 1 FlatN
Pulley 1 Number of Grooves3
Pulley 1 Width15



  • Gates: 38197
  • Duralast: 305317
  • Four Seasons: 45566
  • General Motors: 3539155
  • General Motors: 12555153
  • Dorman: 419-122
  • Goodyear: 49299
  • Hayden: 5566
  • NAPA: 38197
  • Freshstart: 49299
  • ACDelco: 38197
  • CARQUEST: 38197


  • 1995-1999 Oldsmobile Aurora - Position: Water Pump
  • 2004-2005 Pontiac Bonneville - Position: Water Pump
  • 1995-2002 Cadillac Eldorado - Position: Water Pump
  • 2006-2011 Buick Lucerne - Position: Water Pump
  • 1995-2004 Cadillac Seville - Position: Water Pump
  • 2006-2011 Cadillac DTS - Position: Water Pump
  • 1995-2005 Cadillac DeVille - Position: Water Pump
  • 2001-2003 Oldsmobile Aurora - Position: Water Pump
Customer Questions
Can a serpentine belt cause smoke?
Yes, a serpentine belt can cause smoke. A serpentine belt is an essential component of a vehicle's engine system. It drives various accessories such as the alternator, power steering pump, water pump, and air conditioning compressor. If the serpentine belt becomes worn, damaged, or misaligned, it can cause friction and generate smoke.
Why is my serpentine belt squealing?
The serpentine belt can squeal due to various reasons, including tension issues, worn-out belt, or a problem with the belt's pulleys.
Is my serpentine belt too tight?
If your serpentine belt is causing issues like excessive noise or accelerated wear on the pulleys, it may indicate that the belt is too tight.
Why did my serpentine belt come off?
Serpentine belts can come off due to factors such as belt wear, improper tension, misaligned pulleys, or a faulty tensioner.
Please, mind that only logged in users can submit questions

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