OER Parts offers a wide selection of Starter Parts and Hardware for your 1984 Plymouth Horizon. OER Parts offers 1984 Plymouth Horizon Starter Motor Brace, 1984 Plymouth Horizon Starter Mounting Bolts, 1984 Plymouth Horizon Starter Motor Heat Shield, 1984 Plymouth Horizon Starter Solenoid, 1984 Plymouth Horizon Starter Rebuild Kit, 1984 Plymouth Horizon Starter Shim Set, 1984 Plymouth Horizon Starter Heat Shield Set, and 1984 Plymouth Horizon Floor Mounted Starter Switch.