Strange, I wasn't able to find the part number for that, only the plastic intake tube (unless it comes with it). Anyhow, I did find a bunch on eBay if that's a route you'd like to take -- https://www.ebay.com/itm/Engine-Air-Int ... Sw9~5byYvE
Not sure how long the link will last, but it works as of 3-18-2019