Mercury Engine Expansion Plug

Mercury is a division of the U.S. carmaker Ford. During the 1950s, it received great success. Classic parts contribute to the success of Mercury, such as the engine expansion plug. It is also known as the core plug or the freeze plug. It is used to fill the sand-casting holes that are located in water-cooled internal combustion engines. The engine expansion plug is usually made of thin metal cups that are inserted tightly into the casting holes. But it can also be made of different materials, such as rubber.

During the development of Mercury, many popular parts have been built. But maintenance and upgrades for the Mercury engine expansion plug are required after a long time of usage. An engine expansion plug is used to fill the casting core plugs on an engine block to prevent the coolant from leaking out of the block. Signs of a worn-out Mercury expansion plug include coolant leaks down the side of the block and overheating engines. We put much emphasis on the quality of auto parts and accessories, such as the Mercury engine expansion plug. We give you reasonable and affordable shipping criteria here online.