SS304 Hex Weld Bung & Nut — M18x1.5 Lambda Sensor Boss

Hexagon boss adapter and notched base nut for installing a lambda sensor into exhaust pipe.

• SS304 construction — holds up to sustained exhaust heat.
• M18 x 1.5 thread — fits standard oxygen sensor bodies.
• Hex profile — easy to grip with a wrench during install.
• Notched base — contours to the pipe for a clean weld seam.

For workshop fabrication and sensor installation. Use code SUMMER20 at checkout.