Genuine OEM Hyundai Oil Filter O-Ring Seal, part number 263132A510. This O-ring creates a tight, leak-free seal for the oil filter or its associated center pipe, preventing oil leaks and ensuring proper engine lubrication. It is a small, black ring, weighing approximately 0.0015 kg with a diameter of about 7 cm. Using a genuine OEM O-ring ensures the correct material composition, precise dimensions, and optimal elasticity for a durable and reliable seal under engine operating conditions.