OER Parts offers a wide selection of Battery Parts & Hardware for your 2012 GMC Truck. OER Parts offers 2012 GMC Truck Battery Trays, 2012 GMC Truck Battery Hold Down J-Bolts, 2012 GMC Truck Battery Tray Hold-Down Clamp, 2012 GMC Truck Top Battery Tray Clamp, 2012 GMC Truck Battery Tray Brace, 2012 GMC Truck Quick Release Battery Cable Bolts, 2012 GMC Truck Side Terminal Battery Cable Bolts, 2012 GMC Truck Side Terminal Battery Charging Post, and 2012 GMC Truck Side Post Battery Cable Terminal.