Genuine 066109509A Engine Timing Chain Guide - Upper
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Genuine

Genuine 066109509A Engine Timing Chain Guide - Upper

Brand Genuine 066109509A
Position Upper
Fits Audi, Porsche, and Volkswagen · 27 vehicles

OE direct replacement. Engine timing chain guide for straightforward service replacement.

Engine timing chain guide for the valve train.

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Engine Timing Chain Guide for Audi, Volkswagen, and Porsche

This Genuine engine timing chain guide, part number 066109509A, is an upper guide that fits the tensioner side of the timing chain system. It is used in select Audi, Volkswagen, and Porsche applications where precise chain routing and stable tension are critical.

Key Features

  • Genuine OE replacement engine timing chain guide
  • Upper guide location for the tensioner side
  • Direct-fit service part for timing chain system repair
  • Part number 066109509A for accurate ordering and lookup
  • Compatible with select Audi A3 Quattro, TT Quattro, Volkswagen Eos, R32, Touareg, Golf, Jetta, EuroVan, and Porsche Cayenne applications

Detailed Description

Use this Genuine timing chain guide to restore proper chain tracking in the engine valve train. The guide supports the tension side of the crankshaft-to-camshaft chain on listed vehicles, helping maintain consistent chain alignment in the timing system. This part number 066109509A is listed for 2001-2009 applications across Audi, Volkswagen, and Porsche models, including Audi A3 Quattro and TT Quattro, Volkswagen Golf and Jetta, and Porsche Cayenne.

This part cross-references 172286 and 182286 for the same application.

What It Is Used For

  • Replacing a worn or damaged timing chain guide
  • Addressing chain noise from guide wear
  • Correcting timing chain tracking issues
  • Restoring tension-side chain support
  • Servicing timing components during engine repair

Installation Notes and Tips

  • Fits 2006-2009 Audi A3 Quattro, upper.
  • Fits 2008-2009 Audi TT Quattro, upper.
  • Fits 2004-2006 Audi TT Quattro, upper.
  • Fits 2007-2008 Volkswagen Eos, upper.
  • Fits 2008 Volkswagen R32, upper.
  • Fits 2004-2006 Volkswagen Touareg, upper.
  • Fits 2004-2005 Porsche Cayenne, N/A.
  • Fits 2002-2005 Volkswagen Golf, upper.
  • Fits 2002-2004 Volkswagen Jetta, upper.
  • Fits 2001-2003 Volkswagen EuroVan, upper.

Quality Assurance

Genuine OE-style part identification helps ensure the correct timing chain guide is selected for the listed applications. Verify engine configuration and position against the vehicle’s timing system before installation.

Related reading

This part fits 27 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009AudiA3 Quattro3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2009AudiTT Quattro3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2008AudiA3 Quattro——UpperEngine Timing Chain Guide - fits tensioner side.
2008AudiTT Quattro——UpperEngine Timing Chain Guide - fits tensioner side.
2008VolkswagenEos3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2008VolkswagenR32——UpperEngine Timing Chain Guide - fits tensioner side.
2007AudiA3 Quattro——UpperEngine Timing Chain Guide - fits tensioner side.
2007VolkswagenEos3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2006AudiA3 Quattro——UpperEngine Timing Chain Guide - fits tensioner side.
2006AudiTT Quattro3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2006VolkswagenTouareg3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2005AudiTT Quattro3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2005PorscheCayenne3.2LV6N/ACrankshaft To Camshaft Chain; Tension Side
2005VolkswagenGolf——UpperEngine Timing Chain Guide - fits tensioner side.
2005VolkswagenTouareg3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2004AudiTT Quattro3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2004PorscheCayenne3.2LV6N/ACrankshaft To Camshaft Chain; Tension Side
2004VolkswagenGolf——UpperEngine Timing Chain Guide - fits tensioner side.
2004VolkswagenJetta——UpperEngine Timing Chain Guide - fits tensioner side.
2004VolkswagenTouareg3.2LV6UpperEngine Timing Chain Guide - fits tensioner side.
2003VolkswagenEuroVan——UpperEngine Timing Chain Guide - fits tensioner side.
2003VolkswagenGolf——UpperEngine Timing Chain Guide - fits tensioner side.
2003VolkswagenJetta——UpperEngine Timing Chain Guide - fits tensioner side.
2002VolkswagenEuroVan——UpperEngine Timing Chain Guide - fits tensioner side.
2002VolkswagenGolf——UpperEngine Timing Chain Guide - fits tensioner side.
2002VolkswagenJetta——UpperEngine Timing Chain Guide - fits tensioner side.
2001VolkswagenEuroVan——UpperEngine Timing Chain Guide - fits tensioner side.