OER Parts offers a wide selection of Fuel Doors & Hardware for your 2003 Chevrolet Blazer. OER Parts offers 2003 Chevrolet Blazer Fuel Filler Neck Pocket Sleeve, 2003 Chevrolet Blazer Fuel Filler Door, 2003 Chevrolet Blazer Plastic Fuel Tank Filler Door, 2003 Chevrolet Blazer Rear Fuel Door with Spring, 2003 Chevrolet Blazer Fuel Filler Door Bumper, 2003 Chevrolet Blazer Fuel Door Emblem, 2003 Chevrolet Blazer Locking Billet Fuel Door, 2003 Chevrolet Blazer Fuel Filler Door Tension Spring and 2003 Chevrolet Blazer Fuel Door Lock.