18mm 02 Sensor Bung Straight

High-Quality O2 Sensor Bung with Plug - Universal Fit for Exhaust Upgrades

Allstar Performance ALL34153 Straight 18mm 02 Sensor Bung

Allstar 34152 18mm O2 Sensor Bung Angled

2 Pcs 02 Oxygen Sensor Weld Bung Nut With Lip M18x1.5 Stainless Steel

M18X1.5 02 Oxygen Sensor Plug Bung Hex Head Stainless Steel Fitting

One Mild Steel O2 Sensor Bung Oxygen Sensor Bung M18 x 1.5mm Air/Fuel Bung