M18x1.5 Mounting Bung & Plug Set – 2 Stainless Bungs + 2 Plugs, Weld Fittings

M18x1.5 O2 Sensor Weld Bung and Plug Kit – 2 Stainless Steel Bungs + 2 Zinc-Plated Mild Steel Plugs – For Oxygen Sensor Mounting, Catalytic Converters, Exhaust Systems, Downpipes

🔧 High-Quality Materials
Includes 2 weld bungs made from durable 304 stainless steel , and 2 plugs crafted from zinc-plated mild steel —built to resist corrosion and offer secure, long-lasting fitment.

⚙️ Universal M18x1.5 Thread
Standard M18 x 1.5 thread pitch , compatible with most oxygen sensors, wideband sensors , and catalytic converter installs . Perfect fit for both professional mechanics and DIY exhaust builders.

🔥 Easy to Weld & Install
The stainless steel bung is easy to weld onto steel or stainless exhaust components. Simply drill a hole, tack the bung, and weld around. Apply anti-seize on the plug threads for easy removal.

🚗 Versatile Application
Ideal for custom exhaust installations , headers , downpipes , wideband O2 sensor mounting , or adding sensor ports to catalytic converters. Designed for performance builds and emissions systems.

🧼 Note on Appearance
Bungs may arrive with protective oil to prevent oxidation. Wipe clean before welding—this does not affect performance .

📦 Package Includes

• 2x 304 Stainless Steel Weld Bungs (M18x1.5)

• 2x Zinc-Plated Mild Steel Plugs