Subaru OEM Engine Expansion Plug | 11021AA020

Part #: SUB-11021AA020. This plug safeguards your engine block and cylinder head from cracking when coolant freezes. It's also used to seal casting holes from production. Gasket not included, part number is 803928010. Warranty note: Subaru of America only warrants parts installed by a CERTIFIED Subaru Dealership and the part must match the vehicle VIN. Use your best judgment when installing parts.

How to use: Install this engine expansion plug in the appropriate place on your Subaru's engine block or cylinder head. Make sure to check if you need the separate gasket (part number 803928010). Note: For warranty, have the part installed by a CERTIFIED Subaru Dealership and ensure it matches your vehicle VIN. Maintenance: Periodically check the plug for any signs of damage or leaks. If you notice any issues, replace it promptly to keep your engine protected.