Quiet a rattling accessory belt and smooth out alternator drive with the INA US Alternator Decoupler Pulley EA0041. It installs as a direct-fit replacement across a wide range of Audi and Volkswagen applications, including the 2002-2009 Audi A4, 2003-2009 Audi A4 QUATTRO, 2009-2013 Audi A3, 2009-2013 Audi A3 QUATTRO, 2007-2011 Audi S6, 2009 Audi A6, 2009 Audi TT, 2009-2013 Audi TT QUATTRO, 2012-2017 Volkswagen Beetle, 2009-2014 and 2017 Volkswagen CC, 2009-2016 Volkswagen EOS, 2008-2014 Volkswagen GTI, 2010 Volkswagen Jetta, 2010 Volkswagen Passat, and 2009-2017 Volkswagen Tiguan — see the Buyer's Guide tab for the full list.
This decoupler pulley mounts on the alternator shaft and uses a one-way overrunning clutch so the alternator can freewheel as belt speed changes, helping limit belt chatter and reduce load on the accessory drive.
Interchange: Manufacturer part number EA0041.
What does the INA US EA0041 alternator decoupler pulley do?
It mounts on the alternator shaft and uses a one-way overrunning clutch to let the alternator freewheel during belt speed changes, helping reduce belt vibration, noise, and load on the accessory drive.
Which vehicles does it fit?
It's a direct-fit replacement for many Audi and Volkswagen models, including the 2002-2009 Audi A4, 2009-2013 Audi A3, 2012-2017 Volkswagen Beetle, and 2009-2017 Volkswagen Tiguan. See the Buyer's Guide tab for the full list.
What are signs the decoupler pulley may need replacing?
Belt rattle or squeal at idle or engine shutdown, chirping noise, or accelerated belt wear can be signs — if a failed decoupler pulley is the cause. Have the drive system diagnosed before replacing.
Is any mounting hardware included?
Included hardware isn't listed in this part's facts. Consult the vehicle service information for the correct fasteners and installation tools before ordering.
What is the manufacturer part number?
This is INA US manufacturer part number EA0041, an alternator decoupler pulley for the listed Audi and Volkswagen applications.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
