Create a custom look in just a few minutes. This special design fits directly over the existing gas cap opening. The textured black finish complements other textured accessories. Provide added security with this locking version restricting access to the gas cap with an additional lock. They are specially treated to resist blemishes caused by gasoline or other hazardous chemicals.. This steel locking gas cap door from Rugged Ridge comes in a textured black finish. It fits 07-18 Jeep Wrangler.