You can easily install the grub from Suse or any other distro and use it with Fedora.
Back up your current grub folder, just in case. Then boot from a distro that uses the grub you want and install it
or whatever drive you want it on.
Find the grub files from that distro and copy them to your drive then organize your grub folder and there you go. You'll need to modify your current config to use gfxboot.
If you don't feel comfortable with this then read up on grub first.
Gfxboot doesn't allow setting a grub password though, so keep that in mind.