Gates 37145P | Alternator Decoupler Pulley

Part Number
DriveAlign Overrunning Decoupler Pulley

Fits: 05-10 Volkswagen Jetta, 06-09 Volkswagen Rabbit, 10-14 Volkswagen Golf, 10-13 Volkswagen Golf SportWagen, 11-13 Audi TT RS Quattro

Special Price $74.79 Regular Price $87.99
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Gates Alternator Decoupler Pulleys provide vibration isolation within the Accessory Belt Drive System resulting in smoother engine performance and efficiency and increased belt and component life. Line consists of overrunning alternator decoupler pulleys and one way clutches.

  • Exact OE replacement
  • Patented design unmatched by any other supplier
  • Torsion spring absorbs engine vibration for quieter, smoother ride
  • Chosen by OEM to reduce noise, vibration and harshness

Note: Vehicles designed to use ADPs should never use a solid or one-way clutch pulley. These parts are not interchangeable, and failure to install the correct replacement can cause damage to accessory drive components.

Gates - Driven By Possibility

BRAND: Gates


  • DriveAlign Overrunning Decoupler Pulley
  • Decoupler Pulley
  • DriveAlign® Overrunning Decoupler Pulley
  • 2010-05 Volkswagen, Jetta, 5-Cyl. 2.5 L, Alt. Decoupler Pulley


Bore Diameter17
Contact SurfaceV-Ribbed Grooved
ContentsPulley, Dust Cap
DescriptionOne-Way Clutch Decoupler Pulley
Groove Quantity6
OE Comparison RatingOE Exact
Outside Diameter56
Required Tool Part Number91024-1

Installation Tool Required



  • Volkswagen: 07K903119A
  • ACDelco: 37145P
  • NAPA Belts/Hose: 37145P
  • Dorman: 300-883
  • Tendeco: 930016
  • Volkswagen: 07K903119
  • Litens: 930016A
  • Carquest: 37145P


  • 2005-2010 Volkswagen Jetta
  • 2006-2009 Volkswagen Rabbit
  • 2010-2013 Volkswagen Golf SportWagen
  • 2010-2014 Volkswagen Golf
  • 2011-2013 Audi TT RS Quattro
Customer Questions
Will the alternator drain my battery?
No, the alternator is not designed to drain the battery. Instead, it charges the battery while the engine is running. If your battery is being drained, it could be due to a variety of factors, and it's recommended to have your vehicle inspected by a mechanic.
How do alternators work?
Alternators convert mechanical energy from the engine into electrical energy to power the vehicle's electrical system and charge the battery. They consist of a rotor, stator, and voltage regulator, which work together to produce electrical energy that is used to power the vehicle's electrical components and charge the battery.
Which alternator do I need?
To determine which alternator you need, consider your vehicle's make and model, engine size, and electrical system requirements.
Which alternator system is controlled by the PCM?
The variable voltage alternator system is commonly controlled by the PCM in modern vehicles.
What types of automotive products does Gates offer?
Gates offers a wide range of automotive products, including belts, hoses, tensioners, and more.
I'm looking for a replacement belt for my vehicle. Can you help me understand the different options available from Gates and recommend the best one for my specific make and model?
Yes, Gates offers a range of replacement belts for various applications. To find the best one for your specific make and model, it is recommended to consult the Gates website or reach out to their customer support.
Are there any specific maintenance for Gates products?
Yes, there are specific maintenance and installation guidelines to follow when using Gates products to ensure optimal performance and longevity.
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