Description Peterbilt Expansion Valve Block Slim Line Replaces OEM: 1000355817 Application: Peterbilt Description: Expansion Valve Block Slim-Line Rating: 1 1/2 Ton Mount Type: Block Refrigerant: R134a O-Ring #1: 0189 Hose Inlet Size: #6 Hose Outlet Size: #12 Evaporator Inlet Size: #8 Evaporator Outlet Size: #10 Note: Flange Mount Liquid Inlet from Condenser: #6 Liquid Outlet to Evaporator: #8 Suction Inlet from Evaporator: #10 Suction Outlet to Compressor: #12