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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This K&N Weld fitting is a spare weld fitting for use with the K&N Fuel/Air Ratio monitor kits. Internal thread is standard 18x1.5mm.