ACDelco 38041 Accessory Drive Belt Idler Pulley

Accessory Drive Belt Idler Pulley

Fits: 1998-2005 Cadillac DeVille, 1998-2002 Cadillac Eldorado, 1998-2004 Cadillac Seville, 1999-2002 Oldsmobile Intrigue, 2000-2002 Chevrolet Camaro, 2001-2003 Oldsmobile Aurora, 2001-2002 Pontiac Firebird, 2004-2005 Pontiac Bonneville, 2004-2006 Pontiac GTO, 2006-2011 Buick Lucerne, 2006-2011 Cadillac DTS, 2008-2009 Pontiac G8, 2011-2016 Chevrolet Caprice, 2014-2017 Chevrolet SS

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Idler Pulley



  • A/C Compressor Belt;Air Brake Hose;Air Intake Duct Drain Hose;Alternator Decoupler Pulley;Coolant Hose;Drive Belt;Elbow Air Vent Hose;Flanged Idler Pulley;Fuel Carburetion Hose;Fuel Line/PCV/EEC Hose;Heater Hose;Idler Pulley;Lawn and Garden V-Belt;Power Steering Pump Belt;Radiator Hose;Snowmobile V-Belt;Supercharger Belt;Timing Belt;Turbocharger Hose;V-Ribbed Serpentine Belt


FAQ - A1Yes, pulley bearings meet or exceed original equipment and are designed for application specific speed and load requirements.
FAQ - A2No, always use the pulley called out in the ACDelco Catalog for your application.
FAQ - A3Yes, when your idler pulley or belt tensioner breaks, the belt no longer powers key systems within your vehicle. For example, the belt provides power to the alternator, power steering and water pump, so you may notice lights on your vehicle flickering due to the drain on your alternator, eventually leading to complete power loss, or your power steering no longer operating, or the temperature gauge reading increasing dramatically.
FAQ - A4Yes, a patented vibration damping system improves not only tensioner life but also belt and accessory life as well.
FAQ - Q1Are these pulleys durable?
FAQ - Q2Are these pulleys interchangeable?
FAQ - Q3Will I know immediately if my pulley or tensioner breaks?
FAQ - Q4Are these tensioners durable?
Features & Benefits - B1Steel or thermoplastic construction that provides high durability for long life
Features & Benefits - B2Bearing is designed for application specific speed and load requirements
Features & Benefits - B3Provides reliable operation under severe conditions for year round performance
Features & Benefits - B4Has mounting hardware included on some popular applications as an added feature
Groove Quantity0
Marketing Statement - Product LineBuilt to meet the latest demands, ACDelco's Belts and Hoses line includes automotive belts and hoses, tensioners, pulleys, and kits. ACDelco offers a wide variety of Professional premium, aftermarket parts, and a select offering of GM Original Equipment Belts that fit a variety of vehicles on the road today.
Marketing Statement - Sub BrandWhen it comes to replacing your Belts, ACDelco offers a full line of Professional, premium aftermarket Belt products. To help make part replacement simple and precise, ACDelco also offers pulleys, tensioners, and kits. ACDelco Professional, premium aftermarket belts fit both GM and Non GM vehicles.
Measurements76 mm x 17 mm x 30.5 mm
Mkt_State_Warranty_CALimited Lifetime Warranty as long as original purchaser still owns vehicle (Parts Only).
Mkt_State_Warranty_USLimited Lifetime Warranty (Parts Only). Please see for more details.
Product DescriptionThe ACDelco Professional, premium aftermarket Idler Pulley is designed for use on automobiles and light duty trucks as a locked center tensioning pulley, an automatic belt tensioner pulley, or an idler pulley. It provides reliable operation under severe conditions for year-round performance and has mounting hardware included on some popular applications as an added feature. This premium aftermarket replacement idler pulley is manufactured to meet your expectations for fit, form, and function.
Programming RequiredNO



  • 2001-2003 Oldsmobile Aurora - Position: Serpentine
  • 2014-2016 Chevrolet Caprice - Position: Smooth Pulley
  • 2004-2004 Cadillac DeVille - Position: Serpentine
  • 2004-2006 Pontiac GTO - Position: Accessory Drive
  • 1999-2002 Oldsmobile Intrigue
  • 2007-2011 Cadillac DTS - Position: Serpentine
  • 2005-2005 Cadillac DeVille
  • 2008-2009 Pontiac G8
  • 2004-2004 Cadillac Seville - Position: Serpentine
  • 2006-2011 Buick Lucerne - Position: Accessory Drive
  • 2014-2017 Chevrolet SS - Position: Smooth Pulley
  • 1998-2002 Cadillac Eldorado
  • 2004-2005 Pontiac Bonneville - Position: Serpentine
  • 2006-2006 Cadillac DTS
  • 2011-2013 Chevrolet Caprice - Position: Accessory Drive
  • 2001-2002 Pontiac Firebird - Position: Accessory Drive
  • 1998-2003 Cadillac Seville
  • 2000-2002 Chevrolet Camaro - Position: Accessory Drive
  • 1998-2003 Cadillac DeVille
  • 2001-2002 Oldsmobile Aurora
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