Oxygen Sensor Weld Bungs and Fittings
Most oxygen sensors use a standard 18x1.5mm thread pitch. Our weld bungs and fittings all have this thread. We also offer a Thread Repair Kit in the proper size (Part No. 3870-18x1.5) to repair stripped threads.
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Remove your O2 sensor when running leaded fuel to avoid damage to the sensor. Use this plug to fill the hole. Fits any standard 18x1.5mm O2 sensor bung.