O2 Sensor LSF 4 for KTM and Husqvarna 790/890/990 Models - 63541090000

This O2 sensor LSF 4 is a critical component of your motorcycle's exhaust system, responsible for monitoring oxygen levels to ensure optimal fuel-air mixture and engine performance. This is a genuine OEM part designed to meet the exact specifications of your vehicle for reliable operation and precise emissions control.

This sensor is compatible with a wide range of models, including the 2018-2026 KTM 790, 890, and 990 Duke and Adventure series, as well as the Husqvarna Norden 901, Svartpilen 801, and Vitpilen 801/401. It fits various regional configurations, including EU, US, and GB specifications across multiple model years.

As an essential part of the exhaust assembly, this sensor helps maintain fuel efficiency and engine health. Regular inspection of your exhaust sensors is recommended to prevent poor running conditions or check engine light warnings.

Check compatibility list below to see if this part fits your motorcycle model.