O2 Oxygen Sensor Plug Standard with Copper Washer M18 x 1.5 - Universal Fit w...

Oxygen Sensor Plug Stainless Steel M18 x 1.5 Metric Threading with Copper Washer

Oxygen Sensor Plug Steel M18 x 1.5 Metric Threading with Copper Washer

2 PACK Stainless O2 Oxygen Sensor Bung Plug & HEX PLUG KIT STAINLESS M18 X 1.5

1x Stainless O2 Oxygen Sensor Bung Plug M18 X 1.5 Weld On Bung Plug Nut Cap

ZINC COATED Oxygen Sensor Plug Steel M18 x 1.5 Metric Threading w/ Copper Washer

JGR O2 Oxygen Sensor Stepped Weld Bungs (5 Bungs/5 Plugs) M18 x 1.5

2x Stainless Steel O2 Oxygen Sensor Plug M18 X 1.5 Weld On Bung Plug Nut Cap