OER Parts offers a wide selection of Fuel Doors & Hardware for your 2016 GMC Truck. OER Parts offers 2016 GMC Truck Fuel Filler Neck Pocket Sleeve, 2016 GMC Truck Fuel Filler Door, 2016 GMC Truck Plastic Fuel Tank Filler Door, 2016 GMC Truck Rear Fuel Door with Spring, 2016 GMC Truck Fuel Filler Door Bumper, 2016 GMC Truck Fuel Door Emblem, 2016 GMC Truck Locking Billet Fuel Door, 2016 GMC Truck Fuel Filler Door Tension Spring and 2016 GMC Truck Fuel Door Lock.