Premium O₂ Sensor Bungs – 304 Stainless, Mild Steel & Titanium

Upgrade your fabrication or performance project with our high-quality O₂ sensor bungs, available in 304 stainless steel, mild steel, and titanium. Whether you're building a custom exhaust, installing a wideband sensor, or replacing an existing bung, our precision-machined components deliver the strength, durability, and reliability fabricators trust.

Each bung is designed for a clean weld, perfect thread engagement, and long-term performance in high-heat environments. From daily-driven vehicles to high-boost turbo builds, these O₂ sensor bungs provide a secure, leak-free connection you can depend on.

• Multiple Material Options
  Choose from 304 stainless steel, mild steel, or titanium to match your build and welding requirements.

• Precision CNC-Machined
  Ensures consistent threading, smooth finishes, and an exact fit every time.

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

• Easy to Weld
  Clean surfaces with proper tolerances make installation straightforward for both professionals and DIY fabricators.

• Universal Fitment
  Works with most factory and aftermarket O₂ and wideband sensors.

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

• Material Options:

  • 304 Stainless Steel

  • Mild Steel

  • Titanium

• Manufacturing: CNC Machined

• Finish: Smooth, weld-ready

• Use Case: Exhaust systems, downpipes, headers, turbo kits, wideband installations

• Custom exhaust fabrication

• Wideband O₂ sensor installs

• Turbo and high-performance builds

• Header and downpipe projects

• Automotive repair shops

• DIY welders and fabricators

• Premium O₂ bungs

• 3 material options

• CNC-machined

• Weld-ready design

• Universal fit

• Perfect for custom exhaust work

Shop high-quality O₂ sensor bungs in 304 stainless steel, mild steel, and titanium. CNC-machined, weld-ready, and perfect for custom exhausts, wideband installs, and turbo builds.