Mahle GS33520 Engine Cylinder Head Bolt Set

Brand Mahle GS33520
Additional Package Contents None
Fastener Head Style Hex
Fastener Material Steel
Fastener Style Bolt
Washers Included Not required
Fits Audi, Porsche, and Volkswagen · 18 vehicles

Steel construction. Engine fasteners built with steel bolt hardware for cylinder head service.

Hex head design. Standard tool engagement for straightforward engine assembly work.

OE-trusted brand. MAHLE sealing products are used by OEMs and technicians worldwide.

Cross-references Porsche 955.104.384.00, Porsche 955.104.384.10 and Volkswagen 022 103 384 L for the same application. See all 4.

$72.61Free shipping
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Order total $72.61
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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine cylinder head bolt set overview

Mahle GS33520 is an engine cylinder head bolt set built for secure fastening in select Audi, Volkswagen, and Porsche applications. It uses steel bolts with a hex head style and no washers required, giving you the core hardware needed for cylinder head service.

Key features

  • Steel fastener construction for engine assembly use
  • Hex head style for standard tool engagement
  • Bolt-style fasteners for cylinder head installation
  • No additional package contents
  • Washers not required

Detailed application fitment

Compatible with 2006-2009 Audi A3 Quattro, N/A; 2004-2006 and 2008-2009 Audi TT Quattro, N/A; 2007-2008 Volkswagen Eos, N/A; 2008 Volkswagen R32, N/A; 2004-2006 Porsche Cayenne, N/A; and 2004-2006 Volkswagen Touareg, N/A. This Mahle GS33520 cylinder head bolt set is a fitment-based replacement for engine service where the original fasteners are specified for these vehicles. The part number GS33520 is also referenced for related Porsche and Volkswagen applications.

What this part helps address

  • Loose or stretched cylinder head fasteners during engine repair
  • Need for replacement hardware after head gasket service
  • Fastener wear from repeated torque cycles
  • Engine reassembly requiring correct bolt-style hardware

Installation notes and tips

Verify engine code and original fastener specification before installation. Clean the threaded holes, follow the factory tightening sequence, and use the torque procedure listed for the engine. Because this is a cylinder head fastener set, accurate torque application is critical during assembly.

Quality assurance

MAHLE gaskets and sealing products are trusted by OEMs and technicians worldwide. Part number GS33520 is manufactured to support professional engine repair standards and consistent sealing performance.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2009AudiA3 Quattro3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2009AudiTT Quattro3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008AudiA3 Quattro3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008AudiTT Quattro3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008VolkswagenEos3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008VolkswagenR323.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007AudiA3 Quattro3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007VolkswagenEos3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006AudiA3 Quattro3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006AudiTT Quattro3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006PorscheCayenne3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006VolkswagenTouareg3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005AudiTT Quattro3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005PorscheCayenne3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005VolkswagenTouareg3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004AudiTT Quattro3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004PorscheCayenne3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004VolkswagenTouareg3.2LV6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Porsche — 955.104.384.00Porsche — 955.104.384.10Volkswagen — 022 103 384 LVolkswagen — 022 103 384 N