O2 Sensor Bung M18 1.5 SS (COPED) is a top-quality product made from high-grade stainless steel, this sensor bung is built to last. Its coped design ensures easy fit up with minimal hassle. This product is compatible with M18 1.5 thread size O2 Sensor and is an essential component for any automotive enthusiast whos looking to add their own wideband.