Space Saving Flexible Stylish 2PCS Ternary Expansion Connector for Oxygen Sensor

M18×1.5 Universal Ternary Expansion Connector for Oxygen Sensor. 2x M18×1.5 Oxygen Sensor Connector Closed Loop Catalytic Aging Protection Part. Product Introduction : A precision-engineered automotive part designed to extend and protect oxygen sensors in vehicles with M18×1.5 thread specifications.