OER Parts offers a wide selection of Rear End Components for your 1979 Dodge Diplomat. OER Parts offers 1979 Dodge Diplomat Axle Shafts & Parts, 1979 Dodge Diplomat Differential, 1979 Dodge Diplomat Differential Covers, 1979 Dodge Diplomat Differential Hardware, 1979 Dodge Diplomat Differential Tools, 1979 Dodge Diplomat Driveshaft, 1979 Dodge Diplomat Driveshaft Safety Loops, 1979 Dodge Diplomat Gaskets & Seals, 1979 Dodge Diplomat Performance Rear Ends, 1979 Dodge Diplomat Ring & Pinion Gears, and 1979 Dodge Diplomat U-Joints and Parts.