Apex AVC621S Engine Valve Cover Gasket Set

Brand Apex AVC621S
Fits Subaru · 27 vehicles

Valve cover gasket set. Provides a complete sealing solution for the engine valve cover.

$49.10Free shipping
In stock · usually ships same day before 1pm CST
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Engine Valve Cover Gasket Set for Subaru V6 Applications

The Apex AVC621S engine valve cover gasket set is built for Subaru engines that need a reliable seal at the valve covers and spark plug tube areas. It is a direct-fit sealing solution for select Subaru Legacy, Outback, and Tribeca models across multiple model years.

Key Features

  • Engine valve cover gasket set for Subaru sealing service
  • Fits 2017-2019 Subaru Legacy, w/Spark plug tube seals
  • Fits 2017-2019 Subaru Outback, w/Spark plug tube seals
  • Fits 2010-2016 Subaru Legacy, w/Spark Plug Tube Seals
  • Fits 2010-2016 Subaru Outback, w/Spark Plug Tube Seals
  • Fits 2008-2014 Subaru Tribeca, w/Spark Plug Tube Seals
  • Part number AVC621S for catalog and service matching

Detailed Description

Use the Apex AVC621S when servicing valve cover leaks on Subaru Legacy, Subaru Outback, and Subaru Tribeca engines listed in the fitment data. This gasket set addresses the sealing surfaces at the valve covers and includes application coverage noted with spark plug tube seals, making it a practical choice for leak repair and routine top-end maintenance. If you are searching for a Subaru Legacy valve cover gasket set, Subaru Outback valve cover gasket set, or Subaru Tribeca valve cover gasket set, AVC621S matches those service needs for the confirmed years.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

  • Oil seepage around the valve cover perimeter
  • Oil leaks entering spark plug tube areas
  • Burning-oil odor from external engine seepage
  • Contamination around ignition components from failed seals
  • Maintenance issues caused by hardened or deteriorated gaskets

Installation Notes and Tips

Clean the sealing surfaces thoroughly before installation and inspect the valve cover for warpage, cracks, or residue that can affect sealing. Replace any worn spark plug tube seals during the service if the application calls for them, and follow the vehicle service manual for torque sequence and tightening specifications. Confirm fitment by year, make, model, and engine configuration before ordering.

Quality Assurance

Apex AVC621S is cataloged as an engine sealing component for the listed Subaru applications and is intended for direct replacement service where the fitment matches the vehicle.

This part fits 27 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2019SubaruLegacy3.6LH6N/Aw/Spark plug tube seals
2019SubaruOutback3.6LH6N/Aw/Spark plug tube seals
2018SubaruLegacy3.6LH6N/Aw/Spark plug tube seals
2018SubaruOutback3.6LH6N/Aw/Spark plug tube seals
2017SubaruLegacy3.6LH6N/Aw/Spark plug tube seals
2017SubaruOutback3.6LH6N/Aw/Spark plug tube seals
2016SubaruLegacy3.6LH6N/Aw/Spark Plug Tube Seals
2016SubaruOutback3.6LH6N/Aw/Spark Plug Tube Seals
2015SubaruLegacy3.6LH6N/Aw/Spark Plug Tube Seals
2015SubaruOutback3.6LH6N/Aw/Spark Plug Tube Seals
2014SubaruLegacy3.6LH6N/Aw/Spark Plug Tube Seals
2014SubaruOutback3.6LH6N/Aw/Spark Plug Tube Seals
2014SubaruTribeca3.6LH6N/Aw/Spark Plug Tube Seals
2013SubaruLegacy3.6LH6N/Aw/Spark Plug Tube Seals
2013SubaruOutback3.6LH6N/Aw/Spark Plug Tube Seals
2013SubaruTribeca3.6LH6N/Aw/Spark Plug Tube Seals
2012SubaruLegacy3.6LH6N/Aw/Spark Plug Tube Seals
2012SubaruOutback3.6LH6N/Aw/Spark Plug Tube Seals
2012SubaruTribeca3.6LH6N/Aw/Spark Plug Tube Seals
2011SubaruLegacy3.6LH6N/Aw/Spark Plug Tube Seals
2011SubaruOutback3.6LH6N/Aw/Spark Plug Tube Seals
2011SubaruTribeca3.6LH6N/Aw/Spark Plug Tube Seals
2010SubaruLegacy3.6LH6N/Aw/Spark Plug Tube Seals
2010SubaruOutback3.6LH6N/Aw/Spark Plug Tube Seals
2010SubaruTribeca3.6LH6N/Aw/Spark Plug Tube Seals
2009SubaruTribeca3.6LH6N/Aw/Spark Plug Tube Seals
2008SubaruTribeca3.6LH6N/Aw/Spark Plug Tube Seals