Harddrive O2 Sensor Plug - 12mm - Harley & Indian V-Twin
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
The Harddrive O2 Sensor Plug is a straightforward brass fitting designed to cap off unused oxygen sensor bungs on your V-twin motorcycle exhaust. This essential component prevents exhaust leaks, which can compromise performance and create unwanted noise when you're not running O2 sensors.
Why riders pick this
- Securely caps 12mm O2 sensor ports
- Prevents exhaust leaks
- Durable brass construction
- Simple, screw-in installation
- Designed for Harley & Indian V-twins
When modifying your V-twin's exhaust system, removing or disabling O2 sensors often leaves open ports that need to be sealed. This 12mm Harddrive O2 sensor plug provides a clean and effective solution, ensuring a tight seal to prevent exhaust gases from escaping. Its brass construction offers durability and a reliable fit for standard 12mm sensor ports.
Secure Your Exhaust System
- Reliably caps 12mm O2 sensor ports
- Prevents exhaust leaks and maintains back pressure
- Durable brass construction
- Simple screw-in installation
Maintain Peak Performance
Whether you're running a custom tune or a race-only exhaust, properly sealing unused sensor ports is critical. This plug ensures your exhaust system remains airtight, supporting optimal engine performance. Confirm your exhaust's O2 sensor port size to guarantee proper fitment.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 22-217
- UPC: 191361256684
- Length: 6.3 in
- Width: 3.74 in
- Height: 0.39 in
- Weight: 0.02 lbs
- Country of Origin: China (Taiwan)
Common questions
What is an O2 sensor plug used for?
It's used to cap off unused oxygen sensor bungs on your exhaust. This prevents exhaust leaks when you remove or disable an O2 sensor, which is common during tuning or exhaust upgrades.
Will this fit my Harley or Indian?
Yes, if your exhaust has a 12mm O2 sensor port, this plug will fit. It's designed for V-twin motorcycles, including most Harley-Davidson and Indian models. Check your exhaust documentation if unsure of your port size.
Do I need any special tools to install it?
No, installation is simple. You can thread it into the sensor port by hand or with a wrench. No modifications are typically needed for installation.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Harddrive |
| TYPE | Exhaust |
| SKU | 820-0150 |
| WEIGHT | 0.02 lb |
