HomeEngine > Gaskets and Sealing SystemsApex AHG623 Engine Cylinder Head Gasket
Part #: AHG623

Apex AHG623 Engine Cylinder Head Gasket

⚙️ 34 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Saab and Subaru, 9-2X, Forester, Impreza, Legacy, Outback, and WRX STI
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Reliable Engine Cylinder Head Gasket for Saab and Subaru Vehicles

The Apex AHG623 engine cylinder head gasket is designed to provide a precise seal for your engine, ensuring optimal performance and durability. Compatible with select Saab and Subaru models, this gasket helps maintain engine integrity under various operating conditions.

  • Compatible with Saab 9-2X and Subaru Forester, Impreza, Legacy, Outback, and WRX STI models
  • Engine cylinder head gasket designed for effective sealing and heat resistance
  • Manufactured by Apex for consistent quality and fitment
  • Part number AHG623 for easy identification and replacement

Product Details and Compatibility

The Apex AHG623 engine cylinder head gasket is engineered to fit specific Saab and Subaru vehicles, including the Saab 9-2X and Subaru Forester, Impreza, Legacy, Outback, and WRX STI. This gasket is critical for sealing the cylinder head to the engine block, preventing coolant, oil, and combustion gases from leaking. Proper sealing helps maintain engine compression and prevents overheating or engine damage.

Common Applications and Problem Solving

  • Prevents coolant leaks between the cylinder head and engine block
  • Stops oil leaks that can cause engine contamination
  • Maintains proper engine compression for efficient combustion
  • Helps avoid engine overheating due to gasket failure
  • Addresses head gasket failure symptoms such as white smoke or engine misfires

Installation Notes and Tips

When installing the Apex AHG623 cylinder head gasket, ensure the engine surfaces are clean and free of debris. Follow manufacturer torque specifications for cylinder head bolts to avoid warping or gasket damage. It is recommended to inspect the cylinder head and block for flatness before installation to ensure a proper seal.

Quality Assurance and Warranty

Apex manufactures the AHG623 gasket to meet industry standards for durability and performance. While specific warranty details are not provided, Apex products typically undergo quality control processes to ensure reliable fitment and function in compatible Saab and Subaru models.

This part fits 34 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018SubaruWRX STI2.5LH4N/A
2017SubaruWRX STI2.5LH4N/A
2016SubaruWRX STI2.5LH4N/A
2015SubaruWRX STI2.5LH4N/A
2014SubaruImpreza2.5LH4N/A
2013SubaruForester2.5LH4N/A
2013SubaruImpreza2.5LH4N/A
2012SubaruForester2.5LH4N/A
2012SubaruImpreza2.5LH4N/A
2012SubaruLegacy2.5LH4N/A
2012SubaruOutback2.5LH4N/A
2011SubaruForester2.5LH4N/A
2011SubaruImpreza2.5LH4N/A
2011SubaruLegacy2.5LH4N/A
2011SubaruOutback2.5LH4N/A
2010SubaruForester2.5LH4N/A
2010SubaruImpreza2.5LH4N/A
2010SubaruLegacy2.5LH4N/A
2010SubaruOutback2.5LH4N/A
2009SubaruForester2.5LH4N/A
2009SubaruImpreza2.5LH4N/A
2009SubaruLegacy2.5LH4N/A
2009SubaruOutback2.5LH4N/A
2008SubaruForester2.5LH4N/A
2008SubaruImpreza2.5LH4N/A
2008SubaruLegacy2.5LH4N/A
2008SubaruOutback2.5LH4N/A
2007SubaruForester2.5LH4N/A
2007SubaruImpreza2.5LH4N/A
2007SubaruLegacy2.5LH4N/A
2007SubaruOutback2.5LH4N/A
2006Saab9-2X2.5LH4N/A
2006SubaruForester2.5LH4N/A
2006SubaruImpreza2.5LH4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.