Dayco 89159 | Accessory Drive Belt Idler Pulley

Part Number
Accessory Drive Belt Idler Pulley

Fits: 98-05 Cadillac DeVille, 98-02 Cadillac Eldorado, 98-04 Cadillac Seville, 98-02 Chevrolet Camaro, 98 Pontiac Firebird, 99-02 Oldsmobile Intrigue, 00-01 Pontiac Firebird, 01-03 Oldsmobile Aurora, 04-05 Pontiac Bonneville, 04-06 Pontiac GTO, 06-11 Buick Lucerne, 06-11 Cadillac DTS, 08-09 Pontiac G8

Special Price $37.39 Regular Price $43.99
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Only 1 left
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Estimated Ship Date: 1 Business Day or Less
Dayco® No Slack® Idler/Tensioner Pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and therefore longer belt life. Lifetime lubricated ball bearings and double high temperature seals assure peak bearing performance, the most critical element of a pulley's service life. This specific "flat", serpentine belt driven steel pulley contains a specially formulated e-coating, comparable to OE plating that resists corrosion and wear resistance under harsh environments.

BRAND: Dayco




Bearing Inner Diameter 117
Bearing Width17
Belt TypeSerpentine
Max Belt Width06 Rib
Number of Bearings1

2nd Design



  • General Motors: 12563326
  • NAPA: 38041
  • General Motors: 12559588
  • Duralast: 231159
  • Goodyear: 49036
  • Gates: 38041
  • ACDelco: 38041
  • General Motors: 12557554
  • CARQUEST: 38041


  • 2008-2009 Pontiac G8
  • 1998-2002 Cadillac Eldorado
  • 1999-2002 Oldsmobile Intrigue
  • 1998-1998 Pontiac Firebird - Position: Main Drive
  • 2004-2004 Pontiac GTO - Position: Main Drive
  • 1998-2002 Chevrolet Camaro - Position: Main Drive
  • 1998-2004 Cadillac Seville
  • 2005-2006 Pontiac GTO
  • 2006-2011 Buick Lucerne
  • 1998-2005 Cadillac DeVille
  • 2001-2003 Oldsmobile Aurora
  • 2000-2001 Pontiac Firebird - Position: Main Drive
  • 2004-2005 Pontiac Bonneville
  • 2006-2011 Cadillac DTS
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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