OER Parts offers a wide selection of Starter Parts and Hardware for your 1989 GMC Truck. OER Parts offers 1989 GMC Truck Starter Motor Brace, 1989 GMC Truck Starter Mounting Bolts, 1989 GMC Truck Starter Motor Heat Shield, 1989 GMC Truck Starter Solenoid, 1989 GMC Truck Starter Rebuild Kit, 1989 GMC Truck Starter Shim Set, 1989 GMC Truck Starter Heat Shield Set, and 1989 GMC Truck Floor Mounted Starter Switch.