Description

The product is a single Dorman Freeze Plug Expansion Plug, part number 550-004, designed for use in an Engine Block. Dorman is the brand known for manufacturing automotive aftermarket parts and accessories, including engine components. The freeze plug, also known as an expansion plug, is used to seal the openings in the engine block to prevent coolant leaks. This specific freeze plug is a replacement part that is likely compatible with various car and truck models, offering a solution for repairing damaged or worn-out expansion plugs in the engine block.