I really don't know why I do this. You could have done a Google search and got there straight away.
One Gpoogle search gives Murray's part number for the Engine
as 287707-0225-01.
My second Google search for that part number gets me to here:
https://www.partstree.com/parts/briggs-and-stratton/engines-vertical-engine-with-electric-starter/287707-0225-01-briggs-stratton-engine-electric-starter/
Why do I bother?, June 2016