AMI Locking Gas Cap, Chrome Fuel Door, Locking Fuel Door Chevy Colorado 2004. Open the door to cool custom looks and improved security with an eye-catching AMI Fuel Door. Each is custom-machined from a solid piece of billet aluminum to fit your specific year, make and model. AMI Fuel Doors are available in Black Powder-Coat, Polished, Chrome, Chrome with Black Powder-Coat ring, and Brushed Aluminum finishes. All AMI Fuel Door finishes come with either key-locking or push-to-open doors. Each AMI Fuel Door is equipped with a tension spring that delivers a smooth opening motion. AMI Fuel Doors feature straightforward installation with no drilling necessary. 2004 Chevy Colorado AMI Locking Gas Cap, Chrome Fuel Door, Locking Fuel Door. Chrome Accessories, Chrome Fuel Doors.