HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 38365 Accessory Drive Belt Tensioner Assembly - Supercharger
Part #: 38365

Gates 38365 Accessory Drive Belt Tensioner Assembly - Supercharger

DriveAlign Premium OE Automatic Belt Tensioner, Supercharger
⚙️ 23 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦DriveAlign Premium OE Automatic Belt Tensioner, Supercharger
🚗Fitment: Pontiac, Chevrolet, and Buick, Grand Prix, Impala, Monte Carlo, and Regal
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Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38365 is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for select Buick, Chevrolet, and Pontiac models, this tensioner assembly ensures reliable belt performance and longevity.

  • Constructed from durable steel for strength and longevity
  • Compatible with V-ribbed belt types used in accessory drive systems
  • Single pulley design with a smooth backside contact surface
  • Precise dimensions: 2.99 inch (76 mm) outside diameter and 1.22 inch (31 mm) width
  • One mounting hole for secure installation
  • OE exact fit and performance for Buick Grand Prix, Chevrolet Impala, Monte Carlo, and Pontiac Regal

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) exact replacement parts. This ensures that the tensioner assembly matches factory specifications for fit, form, and function. The 38365 part number belongs to this line, providing a reliable solution for maintaining proper belt tension in accessory drive systems of compatible vehicles.

Technical Description and Specifications

This accessory drive belt tensioner assembly features a steel construction that offers durability under engine bay conditions. The pulley has an outside diameter of 2.99 inches (76 mm) and a width of 1.22 inches (31 mm), designed to accommodate V-ribbed belts commonly found in the specified vehicle models. The bearing bore inside diameter measures 0.67 inches (17 mm), ensuring smooth rotation and reduced wear. The tensioner includes one mounting hole for straightforward installation and a smooth backside contact surface to minimize belt wear.

Common Applications and Problem Solving

  • Restores proper belt tension to prevent slipping or noise
  • Eliminates premature belt wear caused by improper tension
  • Addresses accessory drive belt misalignment issues
  • Replaces worn or damaged tensioner assemblies in Buick Grand Prix, Chevrolet Impala, Monte Carlo, and Pontiac Regal
  • Improves overall accessory drive system reliability and performance

Installation Notes and Tips

Ensure the vehicle is turned off and cooled before beginning installation. Remove the old tensioner assembly carefully, noting the belt routing. Install the Gates DriveAlign Premium OE Automatic Belt Tensioner 38365 using the single mounting hole, verifying proper alignment with the V-ribbed belt. After installation, rotate the tensioner pulley to confirm smooth operation and correct belt tension. Refer to the vehicle’s service manual for torque specifications and detailed procedures.

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38365 is manufactured to meet OE standards, providing consistent performance and durability. Gates backs this part with quality control processes to ensure reliability. For warranty details, please refer to Gates’ official warranty policy applicable to DriveAlign Premium OE parts.

BrandGates
Part Number38365
PositionDriveAlign Premium OE Automatic Belt Tensioner, Supercharger
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 SurfaceSmooth/Backside
ContentsTensioner Assy.
MaterialSteel
Mounting Hole Quantity1
OE Comparison RatingOE Exact
Outside Diameter2.99
Outside Diameter76
Outside Diameter (in)2.99
Outside Diameter (mm)76
Pulley 1 FlangedNo
Pulley 1 FlangedNo
Pulley Quantity1
Width1.22
Width31
Width (in)1.22
Width (mm)31

This part fits 23 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2007PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2006PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2005ChevroletImpala3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2005ChevroletMonte Carlo3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2005PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2004BuickRegal3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2004ChevroletImpala3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2004ChevroletMonte Carlo3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2004PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2003BuickRegal3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2003PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2002BuickRegal3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2002PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2001BuickRegal3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2001PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2000BuickRegal3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
2000PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
1999BuickRegal3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
1999PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
1998BuickRegal3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
1998PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
1997BuickRegal3.8LV6GASSuperchargerDriveAlign Premium OE Automatic Belt Tensioner
1997PontiacGrand Prix3.8LV6GASSuperchargerDriveAlign 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:

125645062450432224507459305367383654936589367999556999556A

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