Genuine OEM Volvo Turbocharger Bolt, part number 30640631. This bolt is used to secure various components within the turbocharger assembly, ensuring the structural integrity and proper function of the unit. It is designed to withstand the high temperatures and pressures associated with turbocharger operation. Using genuine OEM bolts ensures the correct thread pitch, material strength, and heat resistance. Genuine OEM parts are manufactured to exact specifications for optimal fit and durability.