Genuine OEM Volvo Oil Drain Plug, part number 30711617. This plug seals the oil pan, preventing oil leaks during normal operation and facilitating oil changes. It features a hexagonal head for easy removal and installation with a wrench, and a threaded shaft that engages with the oil pan. The plug is made of durable metal to withstand engine temperatures and pressures. Genuine OEM oil drain plugs ensure a leak-free seal and proper thread engagement.