OER Parts offers a wide selection of Fuel Doors & Hardware for your 1985 Buick All Models. OER Parts offers 1985 Buick All Models Fuel Filler Neck Pocket Sleeve, 1985 Buick All Models Fuel Filler Door, 1985 Buick All Models Plastic Fuel Tank Filler Door, 1985 Buick All Models Rear Fuel Door with Spring, 1985 Buick All Models Fuel Filler Door Bumper, 1985 Buick All Models Fuel Door Emblem, 1985 Buick All Models Locking Billet Fuel Door, 1985 Buick All Models Fuel Filler Door Tension Spring and 1985 Buick All Models Fuel Door Lock.