Add O2 sensor capability to any custom or aftermarket exhaust with the Koso North America O2 Sensor Bung Kit. This universal 18mm x 1.5p weld-in bung kit is the essential hardware for tuners running wideband O2 sensors, fuel controllers, or air/fuel ratio gauges on mini bikes and small-displacement motorcycles.
What's Included
- 18mm x 1.5p weld-in O2 sensor bung — compatible with any standard O2 sensor port
- 18mm x 1.5p aluminum bung plug with washer — seals the port when the O2 sensor is not in use
Key Features
- Universal fitment — works with any exhaust system that accepts an 18mm x 1.5p O2 sensor
- Weld-in design for a permanent, leak-free installation
- Aluminum plug included to cap the bung when running without an O2 sensor
- Essential for tuning builds using Power Commander, Bazzaz, Koso gauges, or wideband controllers
- Compact and lightweight — minimal impact on exhaust weight
Fitment
- Honda Grom 125 (All Generations: OG, SF, JC92)
- Honda Monkey 125 (2019–2021 & 2022+)
- Honda CRF110 (2019+)
- Kawasaki Z125 Pro
- Kawasaki KLX110
- Benelli TNT 135
- Universal — any exhaust with 18mm x 1.5p O2 sensor port
Specifications
- Brand: Koso North America
- Thread Size: 18mm x 1.5p
- SKU: BG001813
- Barcode: 01258481
- Weight: 0.11 lbs
- Product Type: Exhaust / O2 Sensor Hardware
In stock and ready to ship. An affordable must-have for any performance tuning build.
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