Have you got parts number 4 and 17 please?

I have checked for you and you need the following links: https://www.lsengineers.co.uk/air-guide-shroud-genuine-stihl-part-oem-no-1142-080-0900.html https://www.lsengineers.co.uk/shroud-for-stihl-ms462-chainsaw-1142-080-1601.html