Mahle HS55016B Engine Cylinder Head Gasket Set

Brand Mahle HS55016B
Fits Subaru · 19 vehicles

Cylinder head gasket set. Provides the sealing components needed for engine service.

OEM-trusted sealing. MAHLE gaskets are trusted by OEMs and technicians worldwide.

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Mahle HS55016B Cylinder Head Gasket Set

The Mahle HS55016B engine cylinder head gasket set is built for Subaru flat-four applications that need reliable sealing after head service. It is a direct-fit option for select 2006-2011 Subaru Impreza, 2006-2010 Subaru Forester, 2006-2009 Subaru Legacy, and 2006-2009 Subaru Outback models with the improved head gasket design noted in the fitment data.

Key Features

  • Engine cylinder head gasket set for Subaru head gasket replacement service
  • Improved head gasket design noted for the listed applications
  • Fits 2006-2011 Subaru Impreza, 2006-2010 Subaru Forester, 2006-2009 Subaru Legacy, and 2006-2009 Subaru Outback
  • Mahle sealing products are used by OEMs and technicians worldwide
  • Part number HS55016B for accurate catalog matching

Detailed Description

Mahle HS55016B is an engine cylinder head gasket set for Subaru vehicles in the 2006-2011 model-year range shown below. It is specified for Impreza, Forester, Legacy, and Outback applications and notes an improved head gasket design for these engines. Mahle focuses on sealing performance for engine repair work, making this set a practical choice when servicing cylinder heads, restoring compression sealing, or addressing coolant and oil sealing concerns. The HS55016B part number helps confirm the correct application during ordering and repair planning.

What It Helps Address

  • Coolant loss from a failing cylinder head gasket
  • Oil seepage at the head-to-block sealing surface
  • Compression loss that can affect engine performance
  • Overheating caused by compromised sealing
  • Repeat head service when the original gasket has deteriorated

Installation Notes

Fits 2006-2011 Subaru Impreza, N/A; Fits 2006-2010 Subaru Forester, N/A; Fits 2006-2009 Subaru Legacy, N/A; Fits 2006-2009 Subaru Outback, N/A. Cylinder head bolts are not included, and cylinder head bolt replacement is recommended. Verify engine code, gasket surfaces, and torque procedure before assembly. This part cross-references no additional part numbers listed in the provided data.

Quality Assurance

Mahle sealing products are trusted by OEMs and technicians around the globe for engine repair applications. HS55016B is cataloged as a Mahle engine sealing component for the listed Subaru fitments.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011SubaruImpreza2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2010SubaruForester2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2010SubaruImpreza2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2009SubaruForester2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2009SubaruImpreza2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2009SubaruLegacy2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2009SubaruOutback2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2008SubaruForester2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2008SubaruImpreza2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2008SubaruLegacy2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2008SubaruOutback2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2007SubaruForester2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2007SubaruImpreza2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2007SubaruLegacy2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2007SubaruOutback2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2006SubaruForester2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2006SubaruImpreza2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2006SubaruLegacy2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design
2006SubaruOutback2.5LH4N/ACylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended; Improved Head Gasket Design