Genuine OEM Hyundai Transmission Oil Drain Screw Gasket, part number 2151311000. This sealing ring is crucial for creating a leak-proof seal around the transmission oil drain screw, preventing fluid loss. It is positioned between the drain screw and the transmission housing. Made from a durable metallic material, this gasket ensures reliable performance. Using a genuine OEM gasket guarantees the correct dimensions, material composition, and crush properties for a secure, long-lasting seal, preventing costly transmission fluid leaks.