OER Parts offers a wide selection of Starter Parts and Hardware for your 2012 GMC Truck. OER Parts offers 2012 GMC Truck Starter Motor Brace, 2012 GMC Truck Starter Mounting Bolts, 2012 GMC Truck Starter Motor Heat Shield, 2012 GMC Truck Starter Solenoid, 2012 GMC Truck Starter Rebuild Kit, 2012 GMC Truck Starter Shim Set, 2012 GMC Truck Starter Heat Shield Set, and 2012 GMC Truck Floor Mounted Starter Switch.