HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 39380 Accessory Drive Belt Tensioner Assembly
Part #: 39380

Gates 39380 Accessory Drive Belt Tensioner Assembly

DriveAlign Premium OE Automatic Belt Tensioner
⚙️ 21 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$125.05Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦DriveAlign Premium OE Automatic Belt Tensioner
🚗Fitment: Audi and Volkswagen, A3 Sportback e-tron, Golf, Golf SportWagen, Jetta, Q3, and Taos
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner 39380

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39380 is engineered for precise tension control in accessory drive belt systems. Designed for select Audi and Volkswagen models, this thermoplastic tensioner assembly ensures consistent belt performance and durability.

  • Thermoplastic construction for durability and heat resistance
  • Single pulley design with a smooth backside contact surface
  • Compatible with V-ribbed belt types
  • Two mounting holes for secure installation
  • Exact OE comparison rating for reliable fit and function
  • Dimensions: 2.56 inch (65 mm) outside diameter, 0.94 inch (24 mm) width
  • Bearing bore inside diameter of 0.67 inch (17 mm)

Detailed Product Description

This accessory drive belt tensioner assembly from Gates features a thermoplastic body that withstands the demanding conditions of engine compartments. The single pulley, without flanges, has a smooth backside contact surface optimized for V-ribbed belts, commonly used in modern Audi and Volkswagen vehicles. With two mounting holes, the tensioner provides a secure fit, maintaining proper belt tension to prevent slippage and premature wear. The bearing bore inside diameter measures 0.67 inches (17 mm), supporting smooth pulley rotation and reducing friction.

The Gates DriveAlign Premium OE Automatic Belt Tensioner line is designed to meet original equipment specifications, ensuring compatibility and performance equivalent to factory-installed parts. This product line focuses on precision engineering and material quality to deliver consistent belt tension and extend the life of accessory drive components.

Compatible Vehicles and Applications

This tensioner assembly is compatible with various Audi and Volkswagen models, including:

  • Audi A3 Sportback e-tron
  • Volkswagen Golf and Golf SportWagen
  • Volkswagen Jetta
  • Volkswagen Q3
  • Volkswagen Taos

It is specifically designed for vehicles utilizing V-ribbed accessory drive belts, ensuring proper tension and alignment for optimal engine accessory operation.

Common Issues Addressed by This Belt Tensioner

  • Eliminates belt slippage caused by improper tension
  • Prevents premature belt wear and cracking
  • Reduces noise from loose or misaligned belts
  • Maintains consistent accessory drive performance
  • Helps avoid engine overheating due to accessory failure

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 39380, ensure the mounting surface is clean and free of debris. Verify the correct belt type (V-ribbed) is used and properly routed. Tighten mounting bolts to manufacturer torque specifications to avoid tensioner misalignment. It is recommended to inspect the belt and related components for wear during installation.

Quality Assurance and Warranty

This Gates tensioner assembly carries an OE comparison rating, indicating it meets original equipment standards for fit and function. Manufactured with high-quality thermoplastic and precision bearings, it is designed for durability and reliable performance. Please refer to Gates' official warranty policy for specific coverage details.

BrandGates
Part Number39380
PositionDriveAlign Premium OE Automatic Belt Tensioner
MaterialThermoplastic
Pulley 1 FlangedNo
Bearing Bore Inside Diameter.67
Bearing Bore Inside Diameter17
Width.94
Width24
Outside Diameter2.56
Outside Diameter65
Mounting Hole Quantity2
Belt TypeV-ribbed
Pulley Quantity1
Bearing Bore Inside Diameter 1 (in).67
Bearing Bore Inside Diameter 1 (mm)17
Belt TypeV-ribbed
Contact SurfaceSmooth/backside
ContentsTensioner assy.
OE Comparison RatingOe exact
Outside Diameter (in)2.56
Outside Diameter (mm)65
Pulley 1 FlangedNo
Width (in).94
Width (mm)24

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2025VolkswagenJetta1.5LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2024VolkswagenJetta1.5LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2024VolkswagenTaos1.5LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2023VolkswagenJetta1.5LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2023VolkswagenTaos1.5LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2022VolkswagenJetta1.5LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2022VolkswagenTaos1.5LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2021VolkswagenGolf1.4LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2021VolkswagenJetta1.4LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2020VolkswagenGolf1.4LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2020VolkswagenJetta1.4LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2019VolkswagenGolf1.4LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2019VolkswagenGolf SportWagen1.4LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2019VolkswagenJetta1.4LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2018AudiA3 Sportback e-tron1.4LL4ELECTRIC/GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2018VolkswagenJetta1.4LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2017AudiA3 Sportback e-tron1.4LL4ELECTRIC/GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2017VolkswagenJetta1.4LL4GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
2016AudiA3 Sportback e-tron1.4LL4ELECTRIC/GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2016AudiQ31.4LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2016VolkswagenJetta1.4LL4GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign 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:

04E145299N3938049854950080950080A

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