Genuine OEM Volvo Engine Oil Pan Drain Plug, part number 30735088. This plug seals the engine oil pan drain opening, allowing for oil changes. It is located at the bottom of the engine oil pan. The plug has dimensions of 0.095 m x 0.04475 m x 0.0135 m. As a critical sealing component, genuine OEM ensures proper thread engagement and sealing surface for leak-free oil retention.