1972 Dodge R300. 1973 Dodge R300. 1974 Dodge R300. Expansion, Expansion Device, Expansion Valve. Part Type: A/C Expansion Valve. TXV Externally Equalized Expansion Valve. Expansion Valve. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
