ACDelco 38510 Accessory Drive Belt Tensioner Assembly

Accessory Drive Belt Tensioner Assembly

Fits: 1995-2003 International 3800, 1995-1995 International 4600, 1995-2002 International 4700, 1995-2002 International 4700LP, 1995-2002 International 4700LPX, 1995-1997 International 4800, 1995-1997 International 4900, 2001-2003 International 1652SC, 2001-2001 International 3000RE, 2001-2001 International Genesis RE, 2002-2002 International 3000IC, 2003-2003 IC Corporation 3800, 2003-2003 IC Corporation CE Commercial, 2003-2004 IC Corporation CE School Bus

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Heavy Duty Drive Belt Tensioner Assembly with 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


ColorAluminum w/ Black Pulley
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 - B1Labyrinth seal stops contamination of internal parts for maximum durability and service life
Features & Benefits - B2Machined steel pulley reduces surface wear while shielding the internal bearing from outside contaminants
Features & Benefits - B3Double row bearings minimize friction for reduced bearing wear and noise
Features & Benefits - B4Round spring wire includes a chrome-silicone torsion spring for less flex-fatigue than flat-wire designs
Features & Benefits - B5Patented damping mechanism provides maximum stability, reducing vibration and increasing the life of belt, tensioner, and other accessory drive components
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.
Measurements75 mm x 30 mm x 46.5 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 Heavy Duty Automatic Belt Tensioner is manufactured to meet or exceed demanding manufacturer requirements. It's equipped with a patented design that provides superior belt alignment and tension for improved drive efficiency and life. Its patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner, and other accessory drive components. This premium aftermarket replacement heavy duty automatic belt tensioner is manufactured to meet your expectations for fit, form, and function.
Programming RequiredNO



  • 1995-1997 International 4800
  • 2001-2001 International Genesis RE
  • 2003-2003 IC Corporation 3800
  • 1995-1995 International 4600
  • 2003-2003 IC Corporation CE Commercial - Position: Fan and Alternator
  • 2001-2001 International 3000RE
  • 2002-2002 International 3000IC - Position: Fan, Alternator and Hub
  • 1995-2003 International 3800
  • 1995-2002 International 4700
  • 1995-2002 International 4700LP
  • 1995-1997 International 4900
  • 2001-2003 International 1652SC
  • 2003-2004 IC Corporation CE School Bus - Position: Fan and Alternator
  • 1995-2002 International 4700LPX
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