Gates T42148 Engine Timing Belt Idler Pulley - Upper
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Gates
 Timing Belt Pulley

Gates T42148 Engine Timing Belt Idler Pulley - Upper

Brand Gates T42148
Position Upper
Contact Surface Smooth/Backside
Contents Pulley
Flanged End No
Inside Diameter 9
Material Steel
OE Comparison Rating OE Exact
Outside Diameter 28
Width 29
Product line Timing Belt Pulley
Fits Audi and Volkswagen · 46 vehicles

OE exact replacement. Matches original timing belt pulley fit and function.

Steel construction. Durable pulley built for dependable engine operation.

Smooth contact surface. Helps the belt run quietly and consistently.

Cross-references Gates T42148, URO 06D109244E and 06D109244D for the same application. See all 3.

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Gates Timing Belt Idler Pulley T42148

The Gates T42148 timing belt idler pulley is an OE-exact replacement for select Audi and Volkswagen engines that use an upper timing belt pulley. Built from steel with a smooth backside contact surface, it supports precise belt routing in interference-engine applications.

Gates PowerGrip idler pulleys are offered as fixed idlers or as replacements for a tensioner bracket, with metallic or plastic construction depending on the application. The T42148 follows the OE-style design for accurate fitment and dependable timing belt operation.

  • Steel construction for timing system durability
  • Smooth/backside contact surface for belt tracking
  • OE Exact comparison rating for direct replacement fit
  • Upper timing belt pulley application
  • Fits interference-engine applications listed below

Fitment Details

  • Fits 2009-2014 Audi TTS Quattro, upper
  • Fits 2012-2013 Audi TT Quattro, upper
  • Fits 2013 Volkswagen Golf, upper
  • Fits 2012-2013 Volkswagen Golf R, upper
  • Fits 2005-2009 Audi A4, upper
  • Fits 2005-2009 Audi A4 Quattro, upper
  • Fits 2007-2009 Volkswagen Eos, upper
  • Fits 2006-2009 Volkswagen GTI, upper
  • Fits 2009 Volkswagen Jetta City, upper; Eng. Designation BPY
  • Fits 2006-2008 Audi A3, upper
  • Fits 2007-2008 Audi TT, upper
  • Fits 2006-2008 Volkswagen Bora, upper
  • Fits 2006-2008 Volkswagen Jetta, upper
  • Fits 2006-2008 Volkswagen Passat, upper
  • Fits 2006-2007 Audi A3 Quattro, upper
  • Fits 2007 Volkswagen Jetta City, upper; W/Turbo

What This Pulley Helps Address

  • Timing belt noise from a worn idler pulley bearing
  • Belt tracking issues caused by pulley wear or surface damage
  • Timing system service needs on Audi A4, Audi A3, Volkswagen GTI, and related models
  • Replacement of an OE-style upper idler pulley during timing belt maintenance
  • Restoration of proper belt routing in interference-engine applications

Installation Notes

Verify engine code, model year, and upper pulley location before installation. This part cross-references OE numbers 06D109244D and 06D109244E for the same application. Inspect the timing belt system, related rollers, and tensioning components during service, and follow factory timing procedures for the specific Audi or Volkswagen engine.

Quality Assurance

Gates PowerGrip timing components are engineered as OE-style replacement parts for timing system service. The T42148 is listed with an OE Exact comparison rating for direct-fit replacement use.

Related reading

This part fits 46 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2014AudiTTS Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2013AudiTT Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2013AudiTTS Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2013VolkswagenGolf2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2013VolkswagenGolf R2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2012AudiTT Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2012AudiTTS Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2012VolkswagenGolf R2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2011AudiTTS Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2010AudiTTS Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2009AudiA42.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2009AudiA4 Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2009AudiTTS Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2009VolkswagenEos2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2009VolkswagenGTI2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2009VolkswagenJetta City2.0LL4GASUpperEng. Designation BPY; Interference engine application; Timing Belt Pulley
2008AudiA32.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2008AudiA42.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2008AudiA4 Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2008AudiTT2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2008VolkswagenBora2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2008VolkswagenEos2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2008VolkswagenGTI2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2008VolkswagenJetta2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2008VolkswagenPassat2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007AudiA32.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007AudiA3 Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007AudiA42.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007AudiA4 Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007AudiTT2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007VolkswagenBora2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007VolkswagenEos2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007VolkswagenGTI2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007VolkswagenJetta2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2007VolkswagenJetta City2.0LL4GASUpperW/Turbo; Interference engine application; Timing Belt Pulley
2007VolkswagenPassat2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2006AudiA32.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2006AudiA3 Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2006AudiA42.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2006AudiA4 Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2006VolkswagenBora2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2006VolkswagenGTI2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2006VolkswagenJetta2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2006VolkswagenPassat2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2005AudiA42.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
2005AudiA4 Quattro2.0LL4GASUpperCompatible with interference engines.; Timing Belt Pulley
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — T42148URO — 06D109244E06D109244D