Engine Core Plug. Plug Cylinder Block.

Part Number: 11021AA121
Supersession(s): 11021AA120

2Z. NO.2. NO.3. Plug that prevents the Engine Block or Cylinder Head from cracking in Case of freezing Coolant. Also used to Plug the casting holes from production.

PLUG-CYLINDER BLOCK Engine Core Plug

Fits Baja, Forester, Impreza, Legacy, Outback, STI, SVX, WRX

This product fits 610 vehicle variants.
Subaru: 8 models, 610 variants between 1990 and 2014.

Five Star Subaru

2651 William D. Tate Avenue, Grapevine, TX, 76051

Policies & Information

  • Only new, unopened returns will be accepted. No returns 30 days past order date. No returns on electronic parts. All returns subject to potential restocking fee. ALL SALES FINAL.
  • Manufacturer Warranty
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