Ski-Doo New OEM BV2S Snowmobile Helmet Breathing Mask Replacement 4483530010 Go to amazon.com Related posts Top 13 best skidoo helmet parts 2022 DescriptionGenuine Ski-Doo New OEM BV2S Snowmobile Helmet Breathing Mask Replacement 4483530010. This is a factory original equipment accessory, not aftermarket. Manufacturer Part # 4483530010. Non-Current.