Homeβ€Ί Belts and Cooling > Accessory Drive Belt System Componentsβ€Ί Gates 38104 Accessory Drive Belt Tensioner Assembly
Part #: 38104

Gates 38104 Accessory Drive Belt Tensioner Assembly

DriveAlign Premium OE Automatic Belt Tensioner
70 vehicles fit this part
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
DriveAlign Premium OE Automatic Belt Tensioner
Fitment: Chevrolet, Pontiac, Buick, Saturn, and Oldsmobile, Equinox, Torrent, Rendezvous, Terraza, Malibu, Uplander, G6, Montana, Relay, Venture, Aztek, Grand Am, Alero, Silhouette, Cutlass, and Trans Sport
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Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38104 is engineered to maintain optimal tension on the accessory drive belt system. Designed for select Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models, this tensioner assembly ensures reliable belt performance and longevity.

  • Thermoplastic construction for durability and resistance to wear
  • Single flanged pulley with a 2.99 inch (76 mm) outside diameter
  • V-ribbed grooved contact surface with 6 grooves for secure belt engagement
  • Bearing bore inside diameter of 0.67 inch (17 mm) for precise fitment
  • Width of 0.98 inch (25 mm) to accommodate V-ribbed belts
  • Includes one mounting hole for straightforward installation

Product Line Details: DriveAlign Premium OE Automatic Belt Tensioner

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment (OE) performance standards. This product line is designed to meet or exceed factory specifications, providing consistent belt tension and reducing the risk of belt slippage or premature wear. The 38104 tensioner assembly is part of this line, ensuring compatibility and reliability for vehicles requiring OE-level components.

Technical Description and Fitment

This accessory drive belt tensioner assembly is specifically compatible with various models including Buick Alero, Chevrolet Equinox, Malibu, Pontiac G6, Grand Am, and Saturn Vue among others. The tensioner features a thermoplastic pulley with a flanged design to guide the V-ribbed belt accurately. The 6-groove pulley matches the belt profile, ensuring proper grip and tension. With a bearing bore diameter of 17 mm, the tensioner fits securely on the mounting shaft, maintaining alignment and smooth operation.

Common Applications and Problem Solving

  • Maintains proper tension on V-ribbed accessory drive belts
  • Prevents belt slippage and noise in Buick, Chevrolet, Pontiac, and Saturn vehicles
  • Reduces premature belt wear caused by improper tension
  • Addresses issues related to belt misalignment and pulley wear
  • Supports smooth operation of alternator, power steering, and AC compressor belts

Installation Notes and Tips

  • Ensure the mounting surface is clean and free of debris before installation
  • Verify the bearing bore diameter matches the vehicle’s shaft size (17 mm)
  • Use proper torque specifications for the single mounting hole to avoid tensioner misalignment
  • Inspect the V-ribbed belt for wear and replace if necessary during installation
  • Confirm pulley flange orientation to prevent belt derailment

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38104 is manufactured to meet OE performance standards, ensuring durability and consistent operation. Gates provides quality assurance through rigorous testing and material selection. Please refer to Gates’ official warranty policy for specific coverage details related to this tensioner assembly.

BrandGates
Part Number38104
PositionDriveAlign Premium OE Automatic Belt Tensioner
Bearing Bore Inside Diameter.67
Bearing Bore Inside Diameter17
Bearing Bore Inside Diameter 1 (in).67
Bearing Bore Inside Diameter 1 (mm)17
Belt TypeV-Ribbed
Belt TypeV-Ribbed
Contact SurfaceV-Ribbed Grooved
ContentsTensioner Assy.
Groove Quantity6
MaterialThermoplastic
Mounting Hole Quantity1
Number of Grooves6
OE Comparison RatingOE Performance
Outside Diameter2.99
Outside Diameter76
Outside Diameter (in)2.99
Outside Diameter (mm)76
Pulley 1 FlangedYes
Pulley 1 FlangedYes
Pulley Quantity1
Width.98
Width25
Width (in).98
Width (mm)25

This part fits 70 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2009ChevroletEquinox3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2009PontiacTorrent3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2008ChevroletEquinox3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2008PontiacTorrent3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2007BuickRendezvous3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2007ChevroletEquinox3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2007PontiacTorrent3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006BuickRendezvous3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006BuickTerraza3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006ChevroletEquinox3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006ChevroletMalibu3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006ChevroletUplander3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006PontiacG63.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006PontiacMontana3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006PontiacTorrent3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006SaturnRelay3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005BuickRendezvous3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005BuickTerraza3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005ChevroletEquinox3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005ChevroletMalibu3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005ChevroletUplander3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005PontiacAztek3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005PontiacG63.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005PontiacGrand Am3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005PontiacMontana3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005PontiacMontana3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005SaturnRelay3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004BuickRendezvous3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004ChevroletMalibu3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004OldsmobileAlero3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004OldsmobileSilhouette3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004PontiacAztek3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004PontiacGrand Am3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004PontiacMontana3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003BuickRendezvous3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003ChevroletMalibu3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003OldsmobileAlero3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003OldsmobileSilhouette3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003PontiacAztek3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003PontiacGrand Am3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003PontiacMontana3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2002BuickRendezvous3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2002ChevroletMalibu3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2002OldsmobileAlero3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2002OldsmobileSilhouette3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2002PontiacAztek3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2002PontiacGrand Am3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2002PontiacMontana3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2001ChevroletMalibu3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2001OldsmobileAlero3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2001OldsmobileSilhouette3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2001PontiacAztek3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2001PontiacGrand Am3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2001PontiacMontana3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2000ChevroletMalibu3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2000OldsmobileAlero3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2000OldsmobileSilhouette3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2000PontiacGrand Am3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2000PontiacMontana3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1999ChevroletMalibu3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1999OldsmobileAlero3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1999OldsmobileCutlass3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1999OldsmobileSilhouette3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1999PontiacGrand Am3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1999PontiacMontana3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1999PontiacTrans Sport3.4LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1998ChevroletMalibu3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1998OldsmobileCutlass3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1997ChevroletMalibu3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1997OldsmobileCutlass3.1LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

125630832450385124507667245076843052413510438104419-104458964924589241999011999011A999553999553A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.