Weld On Mild Steel Bung For Bosch LSU4.2 Wideband O2 AFR Air Fuel Ratio Sensors 18mm 1.5 Thread
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Description
A wide band O2 (Oxygen) sensor bung that can be welded on your exhaust system for a fuel injection air/fuel ratio gauge. The thread size is the standard m18-1.5 that is used for most wideband sensors. A plug is available if you plan to run the engine without a sensor installed.
