Yamaha 6GR-45932-20-00 Xto Os 3B Sds 16X24Genuine OEM Yamaha part.Special Order Yamaha Marine Information:Additional Handling Time: Item transfers from an alternate warehouse requires an additional 23 business days to ship.Non Returnable: This item is ordered specifically for your application and cannot be returned or canceled once processed.Verify Fitment Before Ordering: Please confirm compatibility with your engine model.