Plug. 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. Cylinder Head Core HOLE. Engine Expansion. Engine Freeze. Engine Welch. Engine Expansion Plug
Fits Express 2500, Express 3500, Express 4500, Savana 2500, Savana 3500, Savana 4500, Sierra 2500 HD, Sierra 3500 HD, Silverado
Call our service department to schedule installation:
Installed price includes part and dealer installation cost, local taxes not included.