HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 39040 Accessory Drive Belt Tensioner Assembly - Air Conditioning or Supercharger
Part #: 39040

Gates 39040 Accessory Drive Belt Tensioner Assembly - Air Conditioning or Supercharger

DriveAlign Premium OE Automatic Belt Tensioner, Supercharger and Air Conditioning
⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦DriveAlign Premium OE Automatic Belt Tensioner, Supercharger and Air Conditioning
🚗Fitment: Audi and Volkswagen, A1 and Jetta
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Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner 39040

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39040 is engineered for precise tension control in accessory drive belt systems. Designed specifically for Audi A1 and Volkswagen Jetta models, this tensioner assembly ensures consistent belt performance and longevity.

  • Constructed from durable steel for strength and reliability
  • Compatible with V-ribbed belt types used in select Audi and Volkswagen vehicles
  • Features a single pulley with a smooth backside contact surface
  • Mounting includes three holes for secure installation
  • Dimensions: 2.28 inches (58 mm) outside diameter, 0.79 inches (20 mm) width, and 0.67 inches (17 mm) bearing bore inside diameter
  • OE exact comparison rating for direct replacement

DriveAlign Premium OE Automatic Belt Tensioner Product Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment quality and fitment. This product line is designed to meet or exceed factory specifications, providing reliable tension control for accessory drive belt systems. The 39040 tensioner assembly is part of this line, ensuring compatibility and performance for Audi A1 and Volkswagen Jetta vehicles requiring precise belt tension management.

Detailed Product Description

This accessory drive belt tensioner assembly is made from steel, offering durability under engine operating conditions. It includes one pulley without flanges, designed to work with V-ribbed belts commonly found in the specified vehicle models. The pulley has a smooth backside contact surface to reduce belt wear and noise. The tensioner measures 2.28 inches (58 mm) in outside diameter and 0.79 inches (20 mm) in width, with a bearing bore inside diameter of 0.67 inches (17 mm). The assembly mounts securely with three mounting holes, ensuring stable operation within the accessory drive system.

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
  • Ensures consistent accessory performance in Audi A1 and Volkswagen Jetta
  • Replaces worn or damaged OE tensioner assemblies

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 39040, ensure the mounting surface is clean and free of debris. Verify the tensioner aligns correctly with the belt routing for the Audi A1 or Volkswagen Jetta model. Use the three mounting holes to secure the assembly firmly, and check belt tension after installation to confirm proper operation. Refer to vehicle-specific service manuals for torque specifications and installation procedures.

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39040 is manufactured to meet original equipment standards, providing reliable performance and durability. This part carries an OE exact comparison rating, ensuring it matches factory specifications for fit and function. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandGates
Part Number39040
PositionDriveAlign Premium OE Automatic Belt Tensioner, Supercharger and Air Conditioning
MaterialSteel
Pulley 1 FlangedNo
Bearing Bore Inside Diameter.67
Bearing Bore Inside Diameter17
Width.79
Width20
Outside Diameter2.28
Outside Diameter58
Mounting Hole Quantity3
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)2.28
Outside Diameter (mm)58
Pulley 1 FlangedNo
Width (in).79
Width (mm)20

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016VolkswagenJetta1.4LL4ELECTRIC/GASAir ConditioningDriveAlign Premium OE Automatic Belt Tensioner
2015VolkswagenJetta1.4LL4ELECTRIC/GASAir ConditioningDriveAlign Premium OE Automatic Belt Tensioner
2014VolkswagenJetta1.4LL4ELECTRIC/GASAir ConditioningDriveAlign Premium OE Automatic Belt Tensioner
2013VolkswagenJetta1.4LL4ELECTRIC/GASAir ConditioningDriveAlign Premium OE Automatic Belt Tensioner
2011AudiA11.4LL4GASSuperchargerDriveAlign 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:

03C145299M390404985589675950362950362A

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