Description Peterbilt Expansion Valve Block Flange Replaces OEM: 3S011516 or 5X013907 Application: Peterbilt Description: Expansion Valve Block Flange Rating: 2 Ton Mount Type: Block Type of Operation: o Port Type: M10 and M12 Ports Refrigerant: R134a O-Ring #1: 0013 O-Ring #2: 0013/0015 Hose Inlet Size: #8 Hose Outlet Size: #10 Evaporator Inlet Size: #8 Evaporator Outlet Size: #10 Note: Flange Mount Liquid Inlet from Condenser: #8 – 1/2″ Liquid Outlet to Evaporator: #10 – 5/8″ Suction Inlet from Evaporator: #8 – 1/2″ Suction Outlet to Compressor: #10 – 5/8″