BRAND NEW GENUINE Stihl Air Filter Cover. Fits Stihl models: BG 50 ONLY PART NUMBER: 4229-141-0502 This is not an aftermarket or fake reproduction.  Please note that many (99%) of the listing for new Stihl parts are are not genuine Stihl parts.  THIS ONE IS FROM STIHL and is GENUINE. Combined Shipping available.  Please ask prior to paying if purchasing multiple items.  I will alter invoice to reflect combined shipping charges. Please feel free to ask me any questions before purchasing any of my listings.