OER Parts offers a wide selection of Starter Parts and Hardware for your 1957 Mercury Commuter. OER Parts offers 1957 Mercury Commuter Starter Motor Brace, 1957 Mercury Commuter Starter Mounting Bolts, 1957 Mercury Commuter Starter Motor Heat Shield, 1957 Mercury Commuter Starter Solenoid, 1957 Mercury Commuter Starter Rebuild Kit, 1957 Mercury Commuter Starter Shim Set, 1957 Mercury Commuter Starter Heat Shield Set, and 1957 Mercury Commuter Floor Mounted Starter Switch.