This is the split ring that goes on TOP of the toilet paper after inserting it into the canister to seal the outer edge around the TP roll. It is the LAST item to insert into the canister before clamping the canister to the filter base.
Simply loosen and remove oil sending unit and insert Metric Tee fitting. Replace sending unit in metric end and attach Frantz oil pressure line to the 1/8"NPT female threads to obtain oil pressure supply to the Frantz filter.
This Tee adapter is used to install a Frantz Transmission Filter. It goes in line with the transmission cooling line that goes from the transmission to the radiator for cooling.Transmission Tee Adapter INDEX