Easy installation. This fuel tank cap base is made of plastic, durable and designed for long service life. It is a reliable replacement for old or damaged caps. The gas tank cover base helps protect the tank interior and effectively prevents sand and dust from entering. The fuel filler cap base has a sleek design, and with this stylish cover, your car's fuel filler cap will look distinctive while benefiting from excellent protection. Part Number: 4637797, 4442912. Type: Fuel Tank Cover Base. Applicable Location: Fuel Tank Cover. Fitment: for Transit; for MK6 2000-2006; for MK7 2006-2014. Color: black+white. Material: plastic. Package Contents: 1 x Fuel Tank Cap Cover Base; 1 x White oil port cover plate. Only the above package content is included; other products are not included. Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.