M18x1.5 Stainless Steel Oxygen Sensor Weld Bung Wideband Nut
M18x1.5 Stainless Steel Oxygen Sensor Weld Bung Wideband Nut
Stainless Steel Oxygen Sensor Weld Bung – M18x1.5 Wideband Nut Plug
Upgrade your exhaust system with this precision-machined M18x1.5 Oxygen Sensor Weld Bung. Crafted from high-grade stainless steel, this wideband nut fitting is designed to provide a secure, leak-free mount for oxygen sensors on virtually any exhaust pipe or manifold. Whether you're building a custom exhaust, installing a wideband O2 sensor, or replacing a damaged bung, this fitting delivers professional-grade durability and a perfect thread fit.
Key Features
- Material: High-quality stainless steel for superior corrosion resistance and long-lasting durability
- Thread Size: M18x1.5 — the universal standard for most oxygen sensor applications
- Wideband Compatible: Suitable for wideband and narrowband O2 sensors
- Slotted Nut Design: Easy installation and removal with standard tools
- Weld-On Fitting: Designed for welding directly onto exhaust pipes, headers, or manifolds
- Includes Plug: Comes with a plug to seal unused bungs and prevent exhaust leaks
- Package Contents: 1 set (bung + nut + plug)
Specifications
- Product Type: Slotted Nut Bolt / Weld Bung Fitting
- Thread: M18x1.5
- Material: Stainless Steel
- Package: 1 Set
Important Notes
- Please allow 1–3mm differences due to manual measurement.
- Colors may vary slightly due to monitor display differences.
Made in Mainland China.
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Frequently Asked Questions
Q: What thread size is this oxygen sensor weld bung?
A: This weld bung features an M18x1.5 thread, which is the standard thread size compatible with the vast majority of oxygen sensors, including wideband and narrowband O2 sensors.
Q: Is this weld bung compatible with both wideband and narrowband O2 sensors?
A: Yes, the M18x1.5 stainless steel weld bung is compatible with both wideband and narrowband oxygen sensors, making it a versatile choice for custom exhaust builds and sensor replacements.
Q: What is included in the package?
A: The package includes 1 complete set consisting of the stainless steel weld bung, slotted nut, and a plug to seal the bung when not in use, preventing exhaust leaks.
Q: How is this bung installed?
A: This is a weld-on fitting. It is designed to be welded directly onto your exhaust pipe, header, or manifold using standard MIG or TIG welding equipment. Professional installation is recommended for best results.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.