Description: Part Number: 9043012031. High Quality and Test Working Well before Shipping. TOYOTA AND LEXUS PART NUMBER 90430-12031. Seals the drain plug against the oil pan, preventing oil leaking. Specification: Material: Metal External diameter: 20mm/0.8 Inch Inner diameter: 12mm/0.5 Inch Thickness: 2.5mm/0.1 Inch Thread specification: M12 Package Includes: 50 Pieces Oil Drain Plug Washers