Features: Keep dirt from entering your fuel system thanks to our dual O-ring system that protectors your engine while you're off road. Installing your new DEF cap takes seconds. Simply remove your old cap from the tether and reattach your new fluid cap in its place. Easy. This fluid cap is crafted with anodized aluminum which won'for t be impacted even after long-term exposure. If you have any question please contact us for help. for RAM1500 2500 3500 Trucks Pick-up Package Includes: 1x for Diesel Fuel Cap or 2x for Diesel Fuel Cap Specifications: Material:Aluminum Alloy Color:Green,Blue Quantity:1 Pieces,2 Pieces(optional) Size:Approx.3.75x3.65cm/1.48x1.44in Net Weight:70-120g note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.