New, never installed, OEM Pioneer Chainsaw Replacement Carburetor Screen Retaining Ring. This is a Genuine Pioneer replacement part and not a cheap aftermarket or knock off. I am unsure what years and models this will all fit so please do your own research before ordering. I am not responsible if it does not fit for you and it will still be yours. The Pioneer part number is 427943. Absolutely No Returns/No Refunds/No Excuses. If you have any issues with your item once it arrives, please contact me first before leaving any negative feedback. Thanks for looking.