Plug. Engine. Location-Engine Block. 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. Black Cooling Drain HOLE. Core. Expansion. Freeze. Welch. Engine Expansion Plug
Fits Sierra 1500, Silverado, Tahoe , Yukon
Call our service department to schedule installation:
Installed price includes part and dealer installation cost, local taxes not included.