Steel 18mm 1.5 Thread Plug For Bosch LSU4.2 Wideband O2 AFR Air Fuel Ratio Sensors
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Description
A sensor plug for a wide band O2 (Oxygen) sensor bung. This plug allows you run the engine without having the sensor installed. The thread size is the standard m18-1.5 that is used by most wide band sensors. A weld-on bung is also available.