ACDelco 38025 Accessory Drive Belt Tensioner Pulley

Part Number
Accessory Drive Belt Tensioner Pulley

Fits: 95-05 Cadillac DeVille, 95-02 Cadillac Eldorado, 95-04 Cadillac Seville, 95-99 Oldsmobile Aurora, 01-03 Oldsmobile Aurora, 03-05 Mazda 6, 04-05 Pontiac Bonneville, 06-11 Buick Lucerne, 06-11 Cadillac DTS, 10-11 Toyota Camry

Special Price $36.54 Regular Price $42.99
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The 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.



  • Bearing is designed for application specific speed and load requirements
  • Has mounting hardware included on some popular applications as an added feature
  • Provides reliable operation under severe conditions for year round performance
  • Steel or thermoplastic construction that provides high durability for long life


AltPA_208V-Ribbed Grooved
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?
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.
Measurements52 mm x 17 mm x 15 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.



  • 2001-2003 Oldsmobile Aurora - Position: Water Pump
  • 2003-2005 Mazda 6 - Position: Water Pump
  • 2004-2005 Pontiac Bonneville - Position: Water Pump
  • 1995-2004 Cadillac Seville - Position: Water Pump
  • 1995-2002 Cadillac Eldorado - Position: Water Pump
  • 2006-2011 Buick Lucerne - Position: Water Pump
  • 1995-2005 Cadillac DeVille - Position: Water Pump
  • 2010-2011 Toyota Camry - Position: Power Steering
  • 1995-1999 Oldsmobile Aurora - Position: Water Pump
  • 2006-2011 Cadillac DTS - Position: Water Pump
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