OER Parts offers a wide selection of Starter Parts and Hardware for your 1939 Buick Roadmaster Series 80. OER Parts offers 1939 Buick Roadmaster Series 80 Starter Motor Brace, 1939 Buick Roadmaster Series 80 Starter Mounting Bolts, 1939 Buick Roadmaster Series 80 Starter Motor Heat Shield, 1939 Buick Roadmaster Series 80 Starter Solenoid, 1939 Buick Roadmaster Series 80 Starter Rebuild Kit, 1939 Buick Roadmaster Series 80 Starter Shim Set, 1939 Buick Roadmaster Series 80 Starter Heat Shield Set, and 1939 Buick Roadmaster Series 80 Floor Mounted Starter Switch.