Standard O₂ Sensor Bung – CNC-Machined, Weld-Ready

Our standard O₂ sensor bungs are precision-machined and built to deliver reliable performance for any fabrication or exhaust project. Designed with clean threads and a weld-ready finish, these bungs are perfect for adding or replacing an O₂ sensor port in custom exhaust systems, headers, turbo kits, downpipes, or repair work.

Made to industry-standard specifications, this bung ensures proper sensor fitment, leak-free performance, and long-term durability in high-heat environments. Whether you’re a professional fabricator or a DIY builder, this component is a must-have for clean, dependable exhaust work.

• Precision CNC-Machined
  Consistent threading and smooth surfaces for a perfect sensor fit every time.

• Weld-Ready Material Options
  Available in 304 stainless steel, mild steel, or titanium to match any project.

• Universal Fit
  Standard M18 x 1.5 threading works with most factory and aftermarket O₂ and wideband sensors.

• Heat & Corrosion Resistant
  Especially with stainless and titanium options—ideal for high-temp turbo and performance applications.

• Easy Installation
  Clean machining minimizes prep time and ensures strong, professional welds.

• Thread Size: M18 x 1.5 (standard O₂ sensor thread)

• Wideband O₂ sensor installation

• Turbo and high-performance builds

• Header and downpipe construction

• Automotive repair shops

• DIY welding and fabrication projects

• Standard O₂ sensor bung

• CNC-machined

• 304 stainless

• M18 x 1.5 thread

• Weld-ready

• Universal fit