Mahle HS55017 Engine Cylinder Head Gasket Set
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Mahle

Mahle HS55017 Engine Cylinder Head Gasket Set

Brand Mahle HS55017
Fits Saab and Subaru · 19 vehicles

OE-trusted sealing. MAHLE gasket engineering is used by OEMs and technicians worldwide.

Improved head gasket design. Fitment notes call out an updated sealing design for service work.

Cross-references FEL-PRO HS26531PT for the same application. See all 1.

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Engine Cylinder Head Gasket Set

Mahle HS55017 is an engine cylinder head gasket set for Subaru and Saab applications with improved head gasket design notes in the fitment data. It is built for direct sealing service on compatible engines and is listed for Subaru WRX STI, Subaru Impreza, Subaru Forester, and Saab 9-2X applications.

Key Features

  • Engine cylinder head gasket set for sealing service in the upper engine assembly.
  • Improved head gasket design noted in the fitment data.
  • Fits 2013-2018 Subaru WRX STI, N/A.
  • Fits 2006-2014 Subaru Impreza, N/A.
  • Fits 2006-2008 Subaru Forester, N/A.
  • Fits 2006 Saab 9-2X, N/A.

Detailed Description

Mahle HS55017 is a cylinder head gasket set intended for engines that require reliable combustion sealing and coolant/oil separation at the head interface. The fitment notes specify that cylinder head bolts are not included and that cylinder head bolt replacement is recommended, so the job should be planned with the correct fasteners and service procedure in mind. This part cross-references FEL-PRO HS26531PT for the same application. For buyers searching for a Subaru WRX STI head gasket set, Subaru Impreza head gasket set, or Subaru Forester head gasket set, HS55017 provides a cataloged sealing solution under the Mahle name.

What It Is Used For

  • Restoring sealing at the cylinder head interface.
  • Addressing coolant and oil leakage at the head gasket surface.
  • Supporting repair work after head removal or engine service.
  • Replacing a gasket set during cylinder head service on listed Subaru and Saab applications.

Installation Notes and Tips

Review the fitment notes before installation. Cylinder head bolts are not included, and replacement of the bolts is recommended for the listed applications. Confirm engine compatibility against the vehicle service information before assembly, and follow the manufacturer’s torque sequence and tightening specifications during installation.

Quality Assurance

MAHLE gaskets are sealing products used by OEMs and technicians worldwide. HS55017 is backed by Mahle’s gasket manufacturing focus and is cataloged for the listed Subaru and Saab fitments.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2018SubaruWRX STI2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2017SubaruWRX STI2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2016SubaruWRX STI2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2015SubaruWRX STI2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2014SubaruImpreza2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2014SubaruWRX STI2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2013SubaruImpreza2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2013SubaruWRX STI2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2012SubaruImpreza2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2011SubaruImpreza2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2010SubaruImpreza2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2009SubaruImpreza2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2008SubaruForester2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2008SubaruImpreza2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2007SubaruForester2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2007SubaruImpreza2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2006Saab9-2X2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2006SubaruForester2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2006SubaruImpreza2.5LH4Cylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — HS26531PT