Continental 49166 Accessory Drive Belt Idler Pulley

Brand Continental 49166
Position Alternator (Lower), Accessory Drive, Alternator, Water Pump and Power Steering, Lower, Alternator and Water Pump, Alternator and Water Pump (Lower), and Alternator and Air Conditioning (Lower)
Component Type 1
Component Type N
Pulley 1 Bore Diameter Smooth
Pulley 1 Width Thermoplastic
Pulley 1 Mount Hole Diameter 2.87
Pulley 2 Outside Diameter Non-flanged
Pulley 2 Material 0.86
Pulley Surface Type 0.670
Fits Audi and Volkswagen · 39 vehicles

OE fit and performance. Made with O.E.-specified materials for dependable replacement quality.

Anti-contamination shield. Helps protect the pulley for a longer service life.

Accessory drive pulley. Built for the belt system with an idler pulley design.

Cross-references Dayco 89017, FEL-PRO 36105 and Hayden 5972 for the same application. See all 5.

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Accessory Drive Idler Pulley for VW and Audi

Continental 49166 is an accessory drive belt idler pulley built from OE-specified materials and engineered to meet or exceed OEM fit and performance. It uses a high-performance anti-contamination shield to help maintain smooth belt operation and long service life in demanding engine bay conditions.

  • Accessory drive belt idler pulley for belt routing and tension control
  • OE-specified material construction for factory-style fit and function
  • High-performance anti-contamination shield for added service life
  • Smooth pulley surface for consistent belt tracking
  • Direct replacement for select Volkswagen and Audi applications

Fitment and Application Details

Compatible with select Volkswagen Beetle, Golf, Jetta, Passat, Golf SportWagen, Bora, Beetle Cabrio, and Audi TT RS Quattro applications. Fits 2012-2015 Volkswagen Beetle, Accessory Drive; Fits 2014 Volkswagen Golf, Alternator and Air Conditioning (Lower); Fits 2014 Volkswagen Jetta, Alternator and Water Pump; Fits 2014 Volkswagen Passat, Alternator and Water Pump; Fits 2012 Volkswagen Passat, Alternator and Water Pump; Fits 2011-2013 Audi TT RS Quattro, Alternator (Lower); Fits 2013 Volkswagen Beetle, Accessory Drive; Fits 2013 Volkswagen Golf, Lower; Fits 2013 Volkswagen Golf SportWagen, Lower; Fits 2005-2013 Volkswagen Jetta, Lower; Fits 2013 Volkswagen Passat, Alternator and Water Pump; Fits 2010-2012 Volkswagen Golf, Lower; Fits 2010-2012 Volkswagen Golf SportWagen, Lower; Fits 2006-2011 Volkswagen Beetle, Alternator, Water Pump and Power Steering; Fits 2010 Volkswagen Beetle Cabrio, Accessory Drive; Fits 2010 Volkswagen Bora, Alternator and Water Pump (Lower); Fits 2005 Volkswagen Bora, Alternator and Water Pump (Lower).

This part cross-references Dayco 89017 and Hayden 5972 for the same application.

What This Part Helps Address

  • Noise from a worn or rough idler pulley bearing
  • Belt tracking issues caused by pulley surface wear
  • Accessory drive belt vibration or flutter
  • Contamination-related pulley wear in the engine bay
  • Service replacement needs on VW and Audi belt drive systems

Installation Notes and Tips

Verify pulley position, belt routing, and mounting style before installation. This Continental 49166 idler pulley is listed for multiple accessory drive locations, including lower alternator and water pump applications, so matching the original configuration is important. Inspect the belt, tensioner, and adjacent pulleys during service to confirm the full drive system is in good condition.

Quality Assurance

Continental designs this pulley using OE-specified materials and performance targets for factory-style operation. The anti-contamination shield is included to support durability in normal service conditions.

This part fits 39 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2015VolkswagenBeetle2.5LL5Accessory DriveSmooth Pulley
2014VolkswagenBeetle2.5LL5Accessory DriveSmooth Pulley
2014VolkswagenGolf2.5LL5Alternator and Air Conditioning (Lower)Smooth Pulley
2014VolkswagenJetta2.5LL5Alternator and Water PumpSmooth Pulley
2014VolkswagenPassat2.5LL5Alternator and Water PumpSmooth Pulley
2013AudiTT RS Quattro2.5LL5Alternator (Lower)Smooth Pulley
2013VolkswagenBeetle2.5LL5Accessory DriveSmooth Pulley
2013VolkswagenBeetle2.5LL5Accessory Drivew/ 1 Mounting Bolt; Smooth Pulley
2013VolkswagenGolf2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2013VolkswagenGolf SportWagen2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2013VolkswagenJetta2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2013VolkswagenPassat2.5LL5Alternator and Water Pumpw/ 1 Mounting Bolt; Smooth Pulley
2012AudiTT RS Quattro2.5LL5Alternator (Lower)Smooth Pulley
2012VolkswagenBeetle2.5LL5Accessory DriveSmooth Pulley
2012VolkswagenGolf2.5LL5LowerSmooth Pulley
2012VolkswagenGolf SportWagen2.5LL5LowerSmooth Pulley
2012VolkswagenJetta2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2012VolkswagenPassat2.5LL5Alternator and Water PumpSmooth Pulley
2011AudiTT RS Quattro2.5LL5Alternator (Lower)Smooth Pulley
2011VolkswagenBeetle2.5LL5Alternator, Water Pump and Power SteeringSmooth Pulley
2011VolkswagenGolf2.5LL5LowerSmooth Pulley
2011VolkswagenGolf SportWagen2.5LL5LowerSmooth Pulley
2011VolkswagenJetta2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2010VolkswagenBeetle2.5LL5Alternator, Water Pump and Power SteeringSmooth Pulley
2010VolkswagenBeetle Cabrio2.5LL5Accessory DriveSmooth Pulley
2010VolkswagenBora2.5LL5Alternator and Water Pump (Lower)Smooth Pulley
2010VolkswagenGolf2.5LL5LowerSmooth Pulley
2010VolkswagenGolf SportWagen2.5LL5LowerSmooth Pulley
2010VolkswagenJetta2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2009VolkswagenBeetle2.5LL5Alternator, Water Pump and Power SteeringSmooth Pulley
2009VolkswagenJetta2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2008VolkswagenBeetle2.5LL5Alternator, Water Pump and Power SteeringSmooth Pulley
2008VolkswagenJetta2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2007VolkswagenBeetle2.5LL5Alternator, Water Pump and Power SteeringSmooth Pulley
2007VolkswagenJetta2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2006VolkswagenBeetle2.5LL5Alternator, Water Pump and Power SteeringSmooth Pulley
2006VolkswagenJetta2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
2005VolkswagenBora2.5LL5Alternator and Water Pump (Lower)Smooth Pulley
2005VolkswagenJetta2.5LL5Lowerw/ 1 Mounting Bolt; Smooth Pulley
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dayco — 89017FEL-PRO — 36105Hayden — 5972URO — 07K145172CB00498IW40