1 NEWO2 sensor weld bung made of 304 Stainless. The thread pitch is 18mm x 1.5 which is typical O2 sensor thread pitch for 99% of O2 (oxygen sensor) sensors in the market place.
50Pack O2 02 Oxygen Sensor M18 X 1.5 Curve Notched Nut Bung Stainless Steel
2 Set M18 x 1.5 O2 02 Oxygen Sensor Weld On / In Bung Plug & Nut Cap Kit
2 Pack M18 x 1.5 O2 02 Oxygen Sensor In Bung Plug & Nut Cap Kit
Dual O2 02 Oxygen Sensor Weld On Bung Plug & Nut Cap Kit Taisher FC-440 1.5-2
O2 02 Oxygen Sensor For 2008-2013 Nissan Altima 2.5L 3.5L Heated 2pcs Under
Upstream & Downstream Air Fuel Ratio O2 02 Oxygen Sensor For 13-17 Nissan Altima