M18x15 Oxygen Sensor Plug Weld Bung Nut Stainless Steel Universal Adapter for Car Exhaust System Repair and Modification _x000D_ _x000D_ Oxygen Sensor Bung with Gasket Stainless Steels Plug Wideband Nut Fitting Weld Bungs M18x1.5 _x000D_ Feature: _x000D_ 1. Universal kit for oxygen sensor expander oxygen plug welding + nut + cover, suitable for any 18mm silver plated iron thread. _x000D_ 2. Designed to add an oxygen sensor anywhere you need it. _x000D_ 3. Ideal for installing custom exhaust pipes, headers, downpipes, etc. _x000D_ _x000D_ Specification: _x000D_ Set includes: Oxygen sensor stepped nut + plug _x000D_ Material: Stainless steel _x000D_ Appearance: natural color _x000D_ Size: Both fitting threads are M18*1.5. _x000D_ Applicable: all kinds of vehicles _x000D_ Weight: about 40g _x000D_ _x000D_ Note: _x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_