2PCS M18 X 1.5 Bung 32mm O2 Oxygen Sensor Test Pipe Extension Extender Adapter Spacer

2PCS M18 X 1.5 Bung 32mm O2 Oxygen Sensor Spacer Test Pipe Extension Extender Adapter

4PCS 32mm M18 X 1.5 Bung O2 Oxygen Sensor Spacer Test Pipe Extension Extender Adapter

M18 X 1.5 Bung 32mm O2 Oxygen Sensor Test Pipe Extension Extender Adapter Spacer

4PCS M18 X 1.5 Bung 32mm O2 Oxygen Sensor Test Pipe Extension Extender Adapter Spacer

18mm X 1.5 Weld-In Oxygen Sensor Bung Fitting, 45 Degree, 304 Stainless Steel | Summit Racing SUM-630584

18mm X 1.5 Weld-In Oxygen Sensor Bung Fitting, Steel | Summit Racing SUM-630580

Redline Emissions Products Nox / O2 Weld Bung (BG1019) - M18 X 1.50, 1" OD, 1" H, Angled DPF Parts Direct

M18 X 1.5 Bung 32mm O2 Oxygen Sensor Test Pipe Extension Extender Adapter Spacer

Redline Emissions Products Nox / O2 Weld Bung (BG1020) - M18 X 1.50, 1" OD, 1" H DPF Parts Direct

Threaded Hex Bolt For Plugging O2 Sensor Bungs

Redline Emissions Products Nox / O2 Weld Bung BG1027 - M20 X 1.50 - 1.125, 0.565" H, Thread Seated DPF Parts Direct

Redline Emissions Products Nox / O2 Curved Weld Bung (BG1025) - M18 X 1.50, 1" OD, 7/16" H DPF Parts Direct

Drag Specialties Straight Weld-In O2 Bungs

Stainless Steel Weld-In Oxygen Sensor Bung - M18x1.5Mm: Finish Your Custom Exhaust With This T304 Stainless Steel Weld-In Oxygen ...

Redline Emissions Products Nox / O2 Weld Bung (BG1014) - M18 X 1.50, 1" OD, 17/32" H, Stepped DPF Parts Direct

Redline Emissions Products Nox / O2 Plug Weld Bung (BG1022) - M18 X 1.50, 7/8" OD, 1/2" H DPF Parts Direct

Redline Emissions Products Nox / O2 Weld Bung (BG1021) - M18 X 1.50, 1" OD, 1/2" H DPF Parts Direct