Rear Fuel Filler Door (KMV642411B) by Mazda OE. Maintain reliable performance of your Mazda and give it the looks it had when it rolled off the assembly line with Mazda OE parts and accessories. They are crafted of the same materials and use the same technology as the parts your vehicle was originally equipped with, so they will provide unsurpassed quality, fit, finish, appearance, corrosion resistance, and safety. What’s more, they are the only parts specifically covered by the Mazda warranty.