The Head and tail is from DP-00 version of this: Stalker Diver at Helldivers 2 Nexus - Mods and community
The Body is from this: DP-00 Armor fatify at Helldivers 2 Nexus - Mods and community
But seeing that the nexus version of DP-00 is still not working you might as well should use this version:Helldivers 2 Ceepert reskin issues (Fixed and edited)