The O2 Sensor Bung Plug and Crush Washer is a simple but essential component for sealing unused sensor ports on your exhaust system. Precision-machined and threaded for a secure fit, this plug ensures proper exhaust back pressure and prevents leaks when an oxygen (O2) sensor (or temperature sensor) is not installed.
Whether you’re running aftermarket exhaust components, tuning with or without sensors, or need to temporarily block off a bung, this plug is a simple and reliable solution.
Designed to seal unused sensor bungs (O2 or temperature sensor ports).
Precision-machined for a leak-free fit.
Durable construction for heat and vibration resistance.
Easy to install or remove as needed.
Compact design — carry as a spare if swapping setups on trips.
18 × 1.5 mm thread / 10mm hex drive
If you have any questions or need help finding what you need for your motorcycle or your next adventure please reach out:
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