OER Parts offers a wide selection of Fuel Doors & Hardware for your 1966 Chevrolet El Camino. OER Parts offers 1966 Chevrolet El Camino Fuel Filler Neck Pocket Sleeve, 1966 Chevrolet El Camino Fuel Filler Door, 1966 Chevrolet El Camino Plastic Fuel Tank Filler Door, 1966 Chevrolet El Camino Rear Fuel Door with Spring, 1966 Chevrolet El Camino Fuel Filler Door Bumper, 1966 Chevrolet El Camino Fuel Door Emblem, 1966 Chevrolet El Camino Locking Billet Fuel Door, 1966 Chevrolet El Camino Fuel Filler Door Tension Spring and 1966 Chevrolet El Camino Fuel Door Lock.