The Fast Electronics O2 Sensor Plug features an 18mm x 1.50 male thread and is constructed from natural stainless steel. This plug is used to seal an unused oxygen sensor bung in an exhaust system. Stainless steel construction ensures corrosion resistance and a secure seal in high-temperature exhaust environments.



![SI-TEX Temperature Probe f/SST-110 TM [TM200-30]](https://www.marinerailparts.com/wp-content/uploads/2026/10/si-tex-temperature-probe-f-sst-110-tm-tm200-30.webp)




