— PROTECTION - This RAM diesel fuel cap stops dirt, water and other debris out of your fuel tank saving you costly engine repairs
— CONVENIENCE - New raised grip design makes it easier to remove and put back on compared to other cap designs
— PERFECT FIT - Includes 2 Sizes of O-Rings so you can pick the size that fits best for your truck, better than the red plastic cap
— MAGNETIC - Strong permenant neodymium magnet holds the cap to the truck while you fill up