Engine Core Plug. Engine Expansion Plug. Engine Freeze Plug. Engine Welch Plug. Screw Plug, Oil PAN. Location-Cylinder Head. 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. Engine Expansion Plug
Fits 911
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Installed price includes part and dealer installation cost, local taxes not included.