HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 39081 Accessory Drive Belt Tensioner Assembly
Part #: 39081

Gates 39081 Accessory Drive Belt Tensioner Assembly

DriveAlign Premium OE Automatic Belt Tensioner
⚙️ 60 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦DriveAlign Premium OE Automatic Belt Tensioner
🚗Fitment: Mercedes-Benz, Freightliner, Dodge, and Jeep, Sprinter 2500, Sprinter 3500, Sprinter 3500XD, GLS350d, E350, S350, GL350, R350, ML350, Grand Cherokee, E320, GL320, ML320, and R320
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Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner 39081

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39081 is engineered for precise belt tension control in accessory drive systems. Designed for select Dodge, Jeep, and Mercedes-Benz models, this tensioner assembly ensures consistent performance and durability under demanding conditions.

  • Constructed from durable steel for long-lasting strength
  • Compatible with V-ribbed accessory drive belts
  • Single pulley design with a smooth backside contact surface
  • Mounting hole quantity: 1 for straightforward installation
  • Outside diameter of pulley: 65 mm (2.56 in) with a width of 30 mm (1.18 in)
  • Bearing bore inside diameter: 17 mm (0.67 in)
  • OE exact fit and performance for reliable replacement

Detailed Product Description

This accessory drive belt tensioner assembly from Gates features a robust steel construction that withstands the stresses of continuous engine operation. The single pulley, without flanges, has a smooth backside contact surface designed specifically for V-ribbed belts, ensuring proper belt alignment and tension. With an outside diameter of 65 mm and a width of 30 mm, the pulley dimensions match original equipment specifications. The bearing bore inside diameter of 17 mm supports smooth rotation and reduces wear. This tensioner is designed to replace original equipment parts exactly, maintaining the integrity of the accessory drive belt system in vehicles such as the Dodge Grand Cherokee, Jeep Grand Cherokee, and Mercedes-Benz models including the E320, ML350, and Sprinter 3500.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner product line by Gates focuses on delivering original equipment quality and fitment. This line is engineered to meet or exceed OE specifications, providing reliable belt tension control for accessory drive systems. The 39081 tensioner assembly is part of this line, offering precise tensioning and durability for compatible Dodge, Jeep, and Mercedes-Benz vehicles.

Common Applications and Issues Addressed

  • Maintains proper tension on V-ribbed accessory drive belts
  • Prevents belt slippage and premature wear
  • Reduces noise caused by loose or worn tensioners
  • Eliminates belt misalignment issues
  • Restores accessory drive system performance in Dodge Grand Cherokee, Jeep Grand Cherokee, and Mercedes-Benz E320, ML350, Sprinter 3500 models

Installation Notes and Tips

  • Ensure the mounting surface is clean and free of debris before installation
  • Verify the belt type is V-ribbed to match the tensioner specifications
  • Use proper torque settings for the single mounting hole to secure the tensioner
  • Inspect the accessory drive belt for wear and replace if necessary during installation
  • Consult vehicle-specific service manuals for detailed installation procedures

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39081 is manufactured to meet original equipment standards, ensuring reliable performance and durability. This part carries an OE comparison rating of exact fit, providing confidence in compatibility and function. While specific warranty details may vary, Gates products typically include coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for precise warranty information.

BrandGates
Part Number39081
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 SurfaceSmooth/Backside
ContentsTensioner Assy.
MaterialSteel
Mounting Hole Quantity1
OE Comparison RatingOE Exact
Outside Diameter2.56
Outside Diameter65
Outside Diameter (in)2.56
Outside Diameter (mm)65
Pulley 1 FlangedNo
Pulley 1 FlangedNo
Pulley Quantity1
Width1.18
Width30
Width (in)1.18
Width (mm)30

This part fits 60 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2022Mercedes-BenzSprinter 25003.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2022Mercedes-BenzSprinter 35003.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2022Mercedes-BenzSprinter 3500XD3.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2021Mercedes-BenzSprinter 25003.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2021Mercedes-BenzSprinter 35003.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2021Mercedes-BenzSprinter 3500XD3.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2020Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2020Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2020Mercedes-BenzSprinter 3500XD3.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2019Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2019Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2019Mercedes-BenzSprinter 3500XD3.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2018Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2018Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2018Mercedes-BenzSprinter 3500XD3.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2017Mercedes-BenzGLS350d3.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2017Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2017Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2016Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2016Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2015Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2015Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2014Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2014Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2013Mercedes-BenzE3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2013Mercedes-BenzS3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2013Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2013Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2012Mercedes-BenzE3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2012Mercedes-BenzGL3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2012Mercedes-BenzR3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2012Mercedes-BenzS3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2012Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2012Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2011Mercedes-BenzE3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2011Mercedes-BenzGL3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2011Mercedes-BenzML3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2011Mercedes-BenzR3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2011Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2011Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2010Mercedes-BenzGL3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2010Mercedes-BenzML3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2010Mercedes-BenzR3503.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2010Mercedes-BenzSprinter 25003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2010Mercedes-BenzSprinter 35003.0LV6DIESELN/AW/O Rear A.C.; DriveAlign Premium OE Automatic Belt Tensioner
2009DodgeSprinter 25003.0LV6DIESELN/AWith Automatic Temperature Control; DriveAlign Premium OE Automatic Belt Tensioner
2009DodgeSprinter 35003.0LV6DIESELN/AWith Automatic Temperature Control; DriveAlign Premium OE Automatic Belt Tensioner
2009JeepGrand Cherokee3.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2009Mercedes-BenzE3203.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2009Mercedes-BenzGL3203.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2009Mercedes-BenzML3203.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2009Mercedes-BenzR3203.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2008DodgeSprinter 25003.0LV6DIESELN/AWith Automatic Temperature Control; DriveAlign Premium OE Automatic Belt Tensioner
2008DodgeSprinter 35003.0LV6DIESELN/AWith Automatic Temperature Control; DriveAlign Premium OE Automatic Belt Tensioner
2008JeepGrand Cherokee3.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2008Mercedes-BenzE3203.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2007DodgeSprinter 25003.0LV6DIESELN/AWith Automatic Temperature Control; DriveAlign Premium OE Automatic Belt Tensioner
2007DodgeSprinter 35003.0LV6DIESELN/AWith Automatic Temperature Control; DriveAlign Premium OE Automatic Belt Tensioner
2007JeepGrand Cherokee3.0LV6DIESELN/ADriveAlign Premium OE Automatic Belt Tensioner
2007Mercedes-BenzE3203.0LV6DIESELN/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:

39081494315175588AA642200137068040206AA8965189651FN950155950155A

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