Gdnecad M18×1.5 Stepped Mounting Bung and Plug, 304 Stainless Steel Notched Style Oxygen Sensor Fitting Bungs & Plugs, O2 Sensor Weld-in Mounting Bung Plug for Cars Trucks SUVs

["Critical Function: The mounting bung features a notched design that creates operating space for welding tools, facilitating welding positioning. The bung offers a secure mounting point for the oxygen sensor, ideal for dyno testing. Besides, the included plug can seal an unused bung","Precise Construction: The M18×1.5 oxygen sensor bung and plug feature precisely machined threads for accurate, secure mating with compatible components. They deliver excellent airtightness, minimizing exhaust leakage and supporting consistent system performance","Reliable Quality: Made of high-quality 304 stainless steel, the oxygen sensor mounting bung and plug have outstanding structural hardness and can resist stress without deforming or breaking. They are also highly resistant to corrosion and rust, ensuring long-term durability","Simple Installation: The installation of the bung is quick and effortless—no professional skills needed. First, correctly place the bung at the specified position on the exhaust system, and weld it securely in place. Then, attach the oxygen sensor and ensure it is firmly seated without loosening","Broad Application: The stepped mounting bung and plug feature an M18×1.5 thread size, matching most standard oxygen sensors. They are applicable to the exhaust systems of various vehicles on the market, such as cars, trucks, SUVs, etc., offering versatile compatibility"]