OER Parts offers a wide selection of Starter Parts and Hardware for your 1977 GMC Truck. OER Parts offers 1977 GMC Truck Starter Motor Brace, 1977 GMC Truck Starter Mounting Bolts, 1977 GMC Truck Starter Motor Heat Shield, 1977 GMC Truck Starter Solenoid, 1977 GMC Truck Starter Rebuild Kit, 1977 GMC Truck Starter Shim Set, 1977 GMC Truck Starter Heat Shield Set, and 1977 GMC Truck Floor Mounted Starter Switch.