343-4295: Engine Cylinder Block Core Plug

An Engine Cylinder Block Core Plug, also known as a freeze plug or expansion plug, is a small, circular metal disk that is inserted into machined holes in the Engine's Cylinder Block. It is designed to prevent coolant or oil from leaking out of the Engine Block and maintain the integrity of the Engine's cooling and lubrication units. The primary purpose of the Plug is to prevent damage to the Engine Block caused by freezing coolant. Attributes: • Designed to withstand the extreme temperature changes that occur in the engine block • Expand and contract with the engine as it heats up and cools down Applications: An Engine Cylinder Block Core Plug acts as a seal for the core holes in the Engine's Cylinder Block.