Fuel/water separator Racor RK 12963
I installed the same 790R30 on our 1994 Signature.
I believe our 2005 Signature had the 790R30 as original equipment as the control box was there, but the filter housing did not have a pump integrated.
The 790r30 was a simple plug and play re-installation.
I also installed shutoff valves in the fuel lines to eliminate any fuel running out of the lines or draining back to the tank when changing the filter.
2005 Monaco Signature 45'
525 HP/1850 Ft Lb ISX-15/6-Speed Allison 4000