Outlet Manifold Kit for the AR45 LFPGR-GCI
There are o-rings already installed on the male elbows and the top and bottom plug.
Other items you may need to add: fitting and o-ring for the gauge and...
This O-ring goes on the male elbows of the inlet and outlet of the AR45. There are 12 on the inlet side and 12 on the outlet side. 24 total in the pump.