O2 Sensor Plug - 18mm x 1.5mm
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Description
O2 Sensor Plug – 18 mm x 1.5 mm
If you're running an exhaust without O2 sensors or blocking off a secondary port, this Drag Specialties 18 mm O2 sensor plug keeps things clean and leak-free. Perfect for tuners, builders, and riders deleting factory sensors or sealing unused bungs. Simple, solid, and dependable — exactly what you want when you're buttoning up an exhaust on a Harley.
Features
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Fits any standard 18 mm O2 sensor port
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Ideal for blocking off unused or relocated O2 sensor bungs
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Precision threading for a tight, leak-free seal
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Perfect for custom exhausts, wideband tuning, and sensor delete setups
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Made in the USA
Fitment
Universal — works with any exhaust using an 18 mm x 1.5 mm O2 sensor port.
Includes
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One 18 mm x 1.5 mm O2 sensor plug
Fitment
- Fits Harley-Davidson Softail Models - 2018 to Present
- Fits Harley-Davidson Softail Models - 1984 to 2017
- Fits Harley-Davidson Touring Models
- Fits Harley-Davidson Dyna Models - 1991 to 2017
- Fits Harley-Davidson Sportster Models
- Fits Harley-Davidson FXR Models - 1982 to 1994
- Fits Harley-Davidson Trike Models - 2009 to Present
- Fits Harley-Davidson Pan America Models - 2021 to Present
Not sure it fits your bike? Call 715-235-3659 or chat with us on the site and a tech can confirm it with you.
Specifications & Installation
| Brand | Drag Specialties |
|---|---|
| Part number | 107271 |
| Product type | Hardware |
Videos
Want it installed right? Book the Nowaskey Speed Shop or call 715-235-3659.
Questions Riders Ask
Will this fit my bike?
This part is listed for:
- Fits Harley-Davidson Softail Models - 2018 to Present
- Fits Harley-Davidson Softail Models - 1984 to 2017
- Fits Harley-Davidson Touring Models
- Fits Harley-Davidson Dyna Models - 1991 to 2017
See the Fitment tab for the full list.
Save your bike with Shop by Bike and we check it for you. Not sure? Call or chat with us on the site and a tech can confirm it with you.
What's the part number?
Manufacturer part number 1861-0496. Our item number is 107271.
What do riders buy with this?
Can I install it myself?
Most riders with basic tools and a service manual can. The Specifications & Installation tab lists difficulty, time and guides where we have them. Prefer a pro install? Book a Speed Shop slot and call to check current availability.
Who do I talk to after I buy?
Our techs. Call 715-235-3659 or chat with us on the site and you will reach the people who know these parts.
Still have a question? Call 715-235-3659 or chat with us on the site.
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Premium Performance Parts
Race-proven suspension, front ends and brakes we stand behind
Track-proven Performance
Nowaskey Extreme Performance is a Harley-Davidson suspension and performance shop in Menomonie, Wisconsin. We design our own shocks, fork cartridges and front-end packages, test them in King of the Baggers racing, and back Nowaskey-brand products with a lifetime warranty.
Every setup is matched to your bike, your weight and the way you ride.