

Specifications
- Brand
- Innovate Motorsports
- Part #
- 3835
- UPC
- 856428038350

Innovate 12mm to 18mm Motorcycle Bung Adapter
$41.29
Innovate 12mm to 18mm Motorcycle Bung Adapter. Lets you use a full-size 18mm O2 sensor in a 12mm bung without welding.
Key Features
- Fits 12mm original equipment bungs, allowing the use of a full-size 18mm thread O2 sensor.
- Made from stainless steel for durability.
- Mounts the O2 sensor at a 45-degree angle.
- The included nut allows you to point the adapter in any direction for optimal clearance.
- Copper sealing washer is included for a proper seal.
- No welding required to install an 18mm sensor in a 12mm bung.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Innovate Motorsports is known for making tools and accessories that help you monitor and tune your vehicle's performance. This adapter is a great example of that, letting you easily adapt your exhaust system for a different size oxygen sensor. If your motorcycle, ATV, or other import vehicle came with a 12mm O2 sensor bung but you need to install an 18mm sensor for a data logger or gauge, this adapter is the solution.
Instead of cutting and welding a new bung into your exhaust, this stainless steel adapter threads into your existing 12mm port and provides threads for an 18mm sensor. It even allows you to mount the O2 sensor at a 45-degree angle, and the nut lets you position the adapter in any direction to ensure you have the best clearance. A copper sealing washer is included to help ensure a good seal.
Specifications
- Brand
- Innovate Motorsports
- Manufacturer Part #
- 3835
- UPC
- 856428038350
Frequently Asked Questions
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Innovate 12mm to 18mm Motorcycle Bung Adapter




