Universal O2 Oxygen Sensor Extender 90 Degree or 45 Degree 02 Bung Extension Catalytic Converter O2 Oxygen Sensor Spacer Universal O2 Oxygen Sensor Extender 90 Degree or 45 Degree 02 Bung Extension Catalytic Converter O2 Oxygen Sensor Spacer. Sale price : $11.34 Category : Automobiles, Parts & Accessories