Gates 37103P Alternator Decoupler Pulley

DriveAlign Overrunning Decoupler Pulley

Fits: 09-16 Audi A4, 09-16 Audi A4 Quattro, 10-16 Audi A5, 10-17 Audi A5 Quattro, 10 Audi S4, 10-11 Audi S5, 11-12 Audi Q5, 12-13 Audi A6, 13-16 Audi A4 allroad, 13 Audi A6 Quattro, 13-16 Audi allroad

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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


  • 2016-09 Audi, A4, 4-Cyl. 2.0 L, Alt. Decoupler Pulley
  • DriveAlign Overrunning Decoupler Pulley
  • Decoupler Pulley
  • DriveAlign® Overrunning Decoupler Pulley


Bore Diameter17
Contact SurfaceV-Ribbed Grooved
ContentsPulley, Dust Cap
DescriptionAlternator Decoupler Pulley
Groove Quantity6
OE Comparison RatingOE Exact
Outside Diameter55



  • Litens: 920851A
  • Carquest: 37103P
  • Dayco: 892009
  • NAPA Belts/Hose: 37103P
  • Volkswagen: 06H903119B
  • Tendeco: 920851
  • Goodyear: 49934
  • ACDelco: 37103P
  • Volkswagen: 06H903119
  • Lester: 11466


  • 2013-2017 Audi A5 Quattro
    • W/150A. Alt.
  • 2013-2016 Audi A4 allroad
    • W/150A. Alt.
  • 2009-2012 Audi A4
  • 2010-2010 Audi A5
    • Installation Tool Required
  • 2011-2012 Audi Q5
  • 2013-2016 Audi A4 Quattro
    • W/150A. Alt.
  • 2012-2013 Audi A6
  • 2013-2016 Audi A4
    • W/150A. Alt.
  • 2010-2011 Audi S5
  • 2013-2016 Audi A5
    • W/150A. Alt.
  • 2010-2010 Audi A5 Quattro
    • Installation Tool Required
  • 2009-2012 Audi A4 Quattro
  • 2013-2013 Audi A6 Quattro
  • 2010-2010 Audi S4
  • 2010-2012 Audi A5 Quattro
  • 2010-2012 Audi A5
  • 2013-2016 Audi allroad
    • W/150A. Alt.
More Information
Make ModelAudi A4, Audi A4 allroad, Audi A4 Quattro, Audi A5, Audi A5 Quattro, Audi A6, Audi A6 Quattro, Audi allroad, Audi Q5, Audi S4, Audi S5
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