OER Parts offers a wide selection of Starter Parts and Hardware for your 1978 Dodge Diplomat. OER Parts offers 1978 Dodge Diplomat Starter Motor Brace, 1978 Dodge Diplomat Starter Mounting Bolts, 1978 Dodge Diplomat Starter Motor Heat Shield, 1978 Dodge Diplomat Starter Solenoid, 1978 Dodge Diplomat Starter Rebuild Kit, 1978 Dodge Diplomat Starter Shim Set, 1978 Dodge Diplomat Starter Heat Shield Set, and 1978 Dodge Diplomat Floor Mounted Starter Switch.