Genuine OEM Volvo Cylinder Head Gasket, part number 30637066. This gasket is crucial for sealing the cylinder head to the engine block, maintaining proper compression and preventing the mixing of oil, coolant, and combustion gases. It is designed to withstand high temperatures and pressures within the engine. The gasket has dimensions of 0.61333m x 0.22133m x 0.03133m and weighs 0.486 kg. Why genuine OEM matters: Ensures precise sealing and material durability under extreme engine conditions for optimal performance and longevity.