Shop Cadillac Escalade EXT Engine Core Plug. 1500; Head; 1.25. 3.5 LITER. Challenger. Durango. Gladiator Head, Cooling, Block - OEM Cadillac Part # 4556020AB (04556020AB, 4556020, 68060348AA)

Plug. Core.
1.25". Location-Cylinder Head. Location-Cylinder Head Core Hole. Location-Engine Block. Location-Engine Block Core Hole. 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 Freeze. Engine Welch. Expansion.

Engine Expansion Plug

1500; Head; 1.25. 3.5 LITER. Challenger. Durango. Gladiator; 1.25 Diameter. Grand Cherokee. Grand Cherokee L. Grand Wagoneer. Pacifica. ProMaster. Ram 1500. Ram 2500, 3500. SEDAN, 3.5 LITER. Voyager. Wagoneer. Wrangler.