[Product Information]

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• Improved Reliability – Our DEF is carefully crafted with CNC billeted aluminum for longer-lasting durability and reliability over your standard plastic cap.
• Airtight， Precision Fit – Keep dirt from entering your fuel system thanks to our dual O-ring system that protectors your engine while you’re off road.
• Easy Installation – 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.
• Versatile Compatibility – These exhaust fluid caps are designed to fit 2013-2016 Dodge Ram Cummins and EcoDiesel trucks with 3.0L V6 engines.
• DEF Safe Cap – This fluid cap is crafted with anodized aluminum which won’t be impacted by DEF even after long-term exposure.