21189037 Volvo Penta Expansion Plug

Volvo Penta 21189037 Freeze Plug

Description

The Expansion Plug, also known as a Freeze Plug, is used to allow engine blocks to expand and contract due to temperature changes. It is commonly found in the engine block of various vehicles, including those with Volvo Penta engines. By allowing for expansion and contraction, the plug helps prevent damage to the engine block from thermal stress. Product information is provided for reference only. The part number and compatibility with your equipment are decisive when selecting the correct item.