3/4" Hose x 3/4" Hose x 5/8" Hose Splicer - Tee - Cold Hose
Amazon.com: KDP Automotive Heater Hose Connector, 3/4"X 3/4"X3/4“ Barb Tee Glass Filled Nylon PA66-GF33 Fitting for Heat/Coolant Vacuum line and Rubber Hose Black Air/Fuel/Water (Pack of 2) : Automotive
Coolant Hose T Fitting Radiator Hose T - Size 1-3/4" X 1-3/4" X
Amazon.com: Dorman Help! 47118 Heater Hose Tee : Automotive
Heater Hose T Fitting 3/8” NPT 3/8”/ 1/4" Barb Fittings
Dorman - Help 3/4 X 3/4 X 3/4 In. Plastic Heater Hose Tee 47118 - Advance Auto Parts
3/8" Heater Hose Connector Tee - Raney's Truck Parts