304 Stainless Steel Bung Boss Nut & CAP for Lambda Oxygen O2 Sensor M18 x 1.5
Size: standard M18 X 1.5 thread (both bung and plug). - O2 oxygen sensor bung was made of 304 stainless steel. - The oxygen sensor nut bung cap was made of plated mild steel with zinc plating. 1 x O2 Oxygen Sensor Nut Bung.