Mahle GS33573 Engine Cylinder Head Bolt Set
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Mahle

Mahle GS33573 Engine Cylinder Head Bolt Set

Brand Mahle GS33573
Additional Package Contents 4 bolts with small washers and 2 bolts with large washer
Fastener Head Style Triple Square
Fastener Material Steel
Fastener Style Bolt
Item Grade OEM Standard
Torque To Yield Yes
Washers Included Yes
Fits Subaru and Saab · 61 vehicles

OEM standard. Cylinder head bolt set built to match original equipment requirements.

Triple-square head. Allows secure fastening with the proper tool engagement.

Torque-to-yield design. Provides consistent clamping for dependable sealing.

Cross-references FEL-PRO ES 72212 for the same application. See all 1.

$83.73Free shipping
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Mahle GS33573 Cylinder Head Bolt Set

Mahle GS33573 is an OEM-standard engine cylinder head bolt set for Subaru and Saab applications that require torque-to-yield fasteners and precise clamping force. Built with steel bolts, triple square head style, and included washers, this set supports secure cylinder head installation on compatible Subaru Legacy, Outback, Impreza, Forester, Baja, and Saab 9-2X engines.

Key Features

  • Engine cylinder head bolt set for Subaru and Saab applications
  • OEM Standard item grade for OE-style service replacement
  • Torque-to-yield design for proper head gasket clamping
  • Steel fastener construction for engine assembly use
  • Triple square head style for correct tool engagement
  • Washers included for specified installation points
  • Additional package contents include bolts with small washers and bolts with large washer

Product Details

Mahle GS33573 is engineered for engine rebuild and head service work where accurate fastener stretch and consistent sealing load matter. This cylinder head bolt set is used on select 1999-2012 Subaru Legacy, 2000-2012 Subaru Outback, 1999-2011 Subaru Impreza, 1999-2010 Subaru Forester, 2003-2006 Subaru Baja, and 2005-2006 Saab 9-2X applications. This part cross-references FEL-PRO ES 72212 for the same application. Mahle GS33573 supports proper cylinder head retention on engines that specify torque-to-yield hardware.

Common Repair Uses

  • Replacing stretched or reused cylinder head bolts during engine service
  • Restoring proper cylinder head clamping after head gasket replacement
  • Addressing coolant loss or combustion sealing issues tied to fastener wear
  • Correcting uneven torque retention during Subaru engine rebuilds
  • Supporting reliable reassembly after cylinder head machining or inspection

Installation Notes and Tips

Verify engine code and head bolt specification before installation, since fitment varies by model and engine type. Torque-to-yield bolts should be installed following the manufacturer’s tightening sequence and angle procedure, and they should not be reused after removal. Use the correct triple square tool to avoid fastener damage, and confirm washer placement before final torque steps. Mahle GS33573 is a direct-fit service part for the listed Subaru and Saab applications, including Subaru Legacy, Outback, and Impreza models within the stated year ranges.

Quality Assurance

Mahle supplies sealing and engine service components used by OEMs and technicians worldwide. GS33573 is built to OEM-standard expectations for engine hardware service and is backed by Mahle’s manufacturing focus on consistent sealing and fit.

This part fits 61 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2012SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2012SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2011SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2011SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2011SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2010SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2010SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2010SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2010SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2009SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2009SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2009SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2009SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006Saab9-2X2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006SubaruBaja2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005Saab9-2X2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005SubaruBaja2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004SubaruBaja2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003SubaruBaja2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001SubaruImpreza2.2LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2000SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2000SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2000SubaruImpreza2.2LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2000SubaruLegacy2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2000SubaruOutback2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1999SubaruForester2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1999SubaruImpreza2.5LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1999SubaruImpreza2.2LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1999SubaruLegacy2.2LH4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — ES 72212