This is a genuine OEM Ford F250 Super Duty F150 Motorcraft oil filler cap with part number F3AZ-6766-B. It is a universal fitment and has a sleek black finish. This oil filler cap is perfect for anyone looking for a replacement for their Ford vehicle. The cap is made by the factory and is of high quality. It fits perfectly and is easy to install. Other part numbers for this oil filler cap include EC-743.